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Finding the Third Proportional to 17,712 and 26,528

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Solution

The third proportional to 17,712 and 26,528 is: 39,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712 : 26,528 = 26,528 : x
  2. Step 2: Convert to fraction form
    17,712/26,528 = 26,528/x
  3. Step 3: Cross multiply
    17,712x = 26,528 × 26,528
  4. Step 4: Simplify right side
    17,712x = 703,734,784
  5. Step 5: Solve for x
    x = 703,734,784/17,712
  6. Step 6: Final answer
    x = 39,732.09

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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.