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Finding the Third Proportional to 66,651 and 157,338

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Solution

The third proportional to 66,651 and 157,338 is: 371,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,651 : 157,338 = 157,338 : x
  2. Step 2: Convert to fraction form
    66,651/157,338 = 157,338/x
  3. Step 3: Cross multiply
    66,651x = 157,338 × 157,338
  4. Step 4: Simplify right side
    66,651x = 24,755,246,244
  5. Step 5: Solve for x
    x = 24,755,246,244/66,651
  6. Step 6: Final answer
    x = 371,415.98

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.