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Finding the Third Proportional to 69,750 and 149,076

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Solution

The third proportional to 69,750 and 149,076 is: 318,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,750 : 149,076 = 149,076 : x
  2. Step 2: Convert to fraction form
    69,750/149,076 = 149,076/x
  3. Step 3: Cross multiply
    69,750x = 149,076 × 149,076
  4. Step 4: Simplify right side
    69,750x = 22,223,653,776
  5. Step 5: Solve for x
    x = 22,223,653,776/69,750
  6. Step 6: Final answer
    x = 318,618.69

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.