Home / 486,342-727,569

Finding the Third Proportional to 486,342 and 727,569

Calculator

Solution

The third proportional to 486,342 and 727,569 is: 1,088,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,342 : 727,569 = 727,569 : x
  2. Step 2: Convert to fraction form
    486,342/727,569 = 727,569/x
  3. Step 3: Cross multiply
    486,342x = 727,569 × 727,569
  4. Step 4: Simplify right side
    486,342x = 529,356,649,761
  5. Step 5: Solve for x
    x = 529,356,649,761/486,342
  6. Step 6: Final answer
    x = 1,088,445.27

Related Problems

Find third proportional to 243,171 and 363,784.50
Half scale
Find third proportional to 972,684 and 1,455,138
Double scale
Find third proportional to 486,344 and 727,572
Similar ratio
Find third proportional to 729,513 and 1,091,353.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.