Home / 486,778-726,117

Finding the Third Proportional to 486,778 and 726,117

Calculator

Solution

The third proportional to 486,778 and 726,117 is: 1,083,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,778 : 726,117 = 726,117 : x
  2. Step 2: Convert to fraction form
    486,778/726,117 = 726,117/x
  3. Step 3: Cross multiply
    486,778x = 726,117 × 726,117
  4. Step 4: Simplify right side
    486,778x = 527,245,897,689
  5. Step 5: Solve for x
    x = 527,245,897,689/486,778
  6. Step 6: Final answer
    x = 1,083,134.20

Related Problems

Find third proportional to 243,389 and 363,058.50
Half scale
Find third proportional to 973,556 and 1,452,234
Double scale
Find third proportional to 486,780 and 726,120
Similar ratio
Find third proportional to 730,167 and 1,089,175.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.