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Finding the Third Proportional to 39,528 and 61,560

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Solution

The third proportional to 39,528 and 61,560 is: 95,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528 : 61,560 = 61,560 : x
  2. Step 2: Convert to fraction form
    39,528/61,560 = 61,560/x
  3. Step 3: Cross multiply
    39,528x = 61,560 × 61,560
  4. Step 4: Simplify right side
    39,528x = 3,789,633,600
  5. Step 5: Solve for x
    x = 3,789,633,600/39,528
  6. Step 6: Final answer
    x = 95,872.13

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.