Home / 405,076-886,402

Finding the Third Proportional to 405,076 and 886,402

Calculator

Solution

The third proportional to 405,076 and 886,402 is: 1,939,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,076 : 886,402 = 886,402 : x
  2. Step 2: Convert to fraction form
    405,076/886,402 = 886,402/x
  3. Step 3: Cross multiply
    405,076x = 886,402 × 886,402
  4. Step 4: Simplify right side
    405,076x = 785,708,505,604
  5. Step 5: Solve for x
    x = 785,708,505,604/405,076
  6. Step 6: Final answer
    x = 1,939,657.02

Related Problems

Find third proportional to 202,538 and 443,201
Half scale
Find third proportional to 810,152 and 1,772,804
Double scale
Find third proportional to 405,078 and 886,406
Similar ratio
Find third proportional to 607,614 and 1,329,603
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.