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Finding the Third Proportional to 64,872 and 96,376

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Solution

The third proportional to 64,872 and 96,376 is: 143,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872 : 96,376 = 96,376 : x
  2. Step 2: Convert to fraction form
    64,872/96,376 = 96,376/x
  3. Step 3: Cross multiply
    64,872x = 96,376 × 96,376
  4. Step 4: Simplify right side
    64,872x = 9,288,333,376
  5. Step 5: Solve for x
    x = 9,288,333,376/64,872
  6. Step 6: Final answer
    x = 143,179.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.