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Finding the Third Proportional to 131,442 and 297,987

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Solution

The third proportional to 131,442 and 297,987 is: 675,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442 : 297,987 = 297,987 : x
  2. Step 2: Convert to fraction form
    131,442/297,987 = 297,987/x
  3. Step 3: Cross multiply
    131,442x = 297,987 × 297,987
  4. Step 4: Simplify right side
    131,442x = 88,796,252,169
  5. Step 5: Solve for x
    x = 88,796,252,169/131,442
  6. Step 6: Final answer
    x = 675,554.63

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.