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Finding the Third Proportional to 62,613 and 139,218.75

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Solution

The third proportional to 62,613 and 139,218.75 is: 309,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,613 : 139,218.75 = 139,218.75 : x
  2. Step 2: Convert to fraction form
    62,613/139,218.75 = 139,218.75/x
  3. Step 3: Cross multiply
    62,613x = 139,218.75 × 139,218.75
  4. Step 4: Simplify right side
    62,613x = 19,381,860,351.56
  5. Step 5: Solve for x
    x = 19,381,860,351.56/62,613
  6. Step 6: Final answer
    x = 309,550.10

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.