Home / 290,905,392-646,383,984

Finding the Third Proportional to 290,905,392 and 646,383,984

Calculator

Solution

The third proportional to 290,905,392 and 646,383,984 is: 1,436,247,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,905,392 : 646,383,984 = 646,383,984 : x
  2. Step 2: Convert to fraction form
    290,905,392/646,383,984 = 646,383,984/x
  3. Step 3: Cross multiply
    290,905,392x = 646,383,984 × 646,383,984
  4. Step 4: Simplify right side
    290,905,392x = 417,812,254,771,712,256
  5. Step 5: Solve for x
    x = 417,812,254,771,712,256/290,905,392
  6. Step 6: Final answer
    x = 1,436,247,887.67

Related Problems

Find third proportional to 145,452,696 and 323,191,992
Half scale
Find third proportional to 581,810,784 and 1,292,767,968
Double scale
Find third proportional to 290,905,394 and 646,383,988
Similar ratio
Find third proportional to 436,358,088 and 969,575,976
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.