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Finding the Third Proportional to 8,957.25 and 12,528

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Solution

The third proportional to 8,957.25 and 12,528 is: 17,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.25 : 12,528 = 12,528 : x
  2. Step 2: Convert to fraction form
    8,957.25/12,528 = 12,528/x
  3. Step 3: Cross multiply
    8,957.25x = 12,528 × 12,528
  4. Step 4: Simplify right side
    8,957.25x = 156,950,784
  5. Step 5: Solve for x
    x = 156,950,784/8,957.25
  6. Step 6: Final answer
    x = 17,522.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.