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Finding the Third Proportional to 17,562 and 38,816

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Solution

The third proportional to 17,562 and 38,816 is: 85,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,562 : 38,816 = 38,816 : x
  2. Step 2: Convert to fraction form
    17,562/38,816 = 38,816/x
  3. Step 3: Cross multiply
    17,562x = 38,816 × 38,816
  4. Step 4: Simplify right side
    17,562x = 1,506,681,856
  5. Step 5: Solve for x
    x = 1,506,681,856/17,562
  6. Step 6: Final answer
    x = 85,792.16

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.