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Finding the Third Proportional to 63,777.38 and 139,211.16

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Solution

The third proportional to 63,777.38 and 139,211.16 is: 303,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,777.38 : 139,211.16 = 139,211.16 : x
  2. Step 2: Convert to fraction form
    63,777.38/139,211.16 = 139,211.16/x
  3. Step 3: Cross multiply
    63,777.38x = 139,211.16 × 139,211.16
  4. Step 4: Simplify right side
    63,777.38x = 19,379,746,024.46
  5. Step 5: Solve for x
    x = 19,379,746,024.46/63,777.38
  6. Step 6: Final answer
    x = 303,865.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.