Home / 430,672-661,070

Finding the Third Proportional to 430,672 and 661,070

Calculator

Solution

The third proportional to 430,672 and 661,070 is: 1,014,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,672 : 661,070 = 661,070 : x
  2. Step 2: Convert to fraction form
    430,672/661,070 = 661,070/x
  3. Step 3: Cross multiply
    430,672x = 661,070 × 661,070
  4. Step 4: Simplify right side
    430,672x = 437,013,544,900
  5. Step 5: Solve for x
    x = 437,013,544,900/430,672
  6. Step 6: Final answer
    x = 1,014,724.77

Related Problems

Find third proportional to 215,336 and 330,535
Half scale
Find third proportional to 861,344 and 1,322,140
Double scale
Find third proportional to 430,674 and 661,073
Similar ratio
Find third proportional to 646,008 and 991,605
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.