Home / 861,669-1,207,470

Finding the Third Proportional to 861,669 and 1,207,470

Calculator

Solution

The third proportional to 861,669 and 1,207,470 is: 1,692,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,669 : 1,207,470 = 1,207,470 : x
  2. Step 2: Convert to fraction form
    861,669/1,207,470 = 1,207,470/x
  3. Step 3: Cross multiply
    861,669x = 1,207,470 × 1,207,470
  4. Step 4: Simplify right side
    861,669x = 1,457,983,800,900
  5. Step 5: Solve for x
    x = 1,457,983,800,900/861,669
  6. Step 6: Final answer
    x = 1,692,046.25

Related Problems

Find third proportional to 430,834.50 and 603,735
Half scale
Find third proportional to 1,723,338 and 2,414,940
Double scale
Find third proportional to 861,671 and 1,207,473
Similar ratio
Find third proportional to 1,292,503.50 and 1,811,205
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.