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Finding the Third Proportional to 62,985 and 133,078

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Solution

The third proportional to 62,985 and 133,078 is: 281,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985 : 133,078 = 133,078 : x
  2. Step 2: Convert to fraction form
    62,985/133,078 = 133,078/x
  3. Step 3: Cross multiply
    62,985x = 133,078 × 133,078
  4. Step 4: Simplify right side
    62,985x = 17,709,754,084
  5. Step 5: Solve for x
    x = 17,709,754,084/62,985
  6. Step 6: Final answer
    x = 281,174.15

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.