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Finding the Third Proportional to 141,192 and 310,464

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Solution

The third proportional to 141,192 and 310,464 is: 682,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,192 : 310,464 = 310,464 : x
  2. Step 2: Convert to fraction form
    141,192/310,464 = 310,464/x
  3. Step 3: Cross multiply
    141,192x = 310,464 × 310,464
  4. Step 4: Simplify right side
    141,192x = 96,387,895,296
  5. Step 5: Solve for x
    x = 96,387,895,296/141,192
  6. Step 6: Final answer
    x = 682,672.50

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.