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Finding the Third Proportional to 141,218 and 207,503

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Solution

The third proportional to 141,218 and 207,503 is: 304,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,218 : 207,503 = 207,503 : x
  2. Step 2: Convert to fraction form
    141,218/207,503 = 207,503/x
  3. Step 3: Cross multiply
    141,218x = 207,503 × 207,503
  4. Step 4: Simplify right side
    141,218x = 43,057,495,009
  5. Step 5: Solve for x
    x = 43,057,495,009/141,218
  6. Step 6: Final answer
    x = 304,900.90

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.