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Finding the Third Proportional to 141,307 and 212,264

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Solution

The third proportional to 141,307 and 212,264 is: 318,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,307 : 212,264 = 212,264 : x
  2. Step 2: Convert to fraction form
    141,307/212,264 = 212,264/x
  3. Step 3: Cross multiply
    141,307x = 212,264 × 212,264
  4. Step 4: Simplify right side
    141,307x = 45,056,005,696
  5. Step 5: Solve for x
    x = 45,056,005,696/141,307
  6. Step 6: Final answer
    x = 318,851.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.