Home / 423,854-920,608

Finding the Third Proportional to 423,854 and 920,608

Calculator

Solution

The third proportional to 423,854 and 920,608 is: 1,999,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,854 : 920,608 = 920,608 : x
  2. Step 2: Convert to fraction form
    423,854/920,608 = 920,608/x
  3. Step 3: Cross multiply
    423,854x = 920,608 × 920,608
  4. Step 4: Simplify right side
    423,854x = 847,519,089,664
  5. Step 5: Solve for x
    x = 847,519,089,664/423,854
  6. Step 6: Final answer
    x = 1,999,554.30

Related Problems

Find third proportional to 211,927 and 460,304
Half scale
Find third proportional to 847,708 and 1,841,216
Double scale
Find third proportional to 423,856 and 920,612
Similar ratio
Find third proportional to 635,781 and 1,380,912
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.