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Finding the Third Proportional to 81,792.50 and 176,473

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Solution

The third proportional to 81,792.50 and 176,473 is: 380,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,792.50 : 176,473 = 176,473 : x
  2. Step 2: Convert to fraction form
    81,792.50/176,473 = 176,473/x
  3. Step 3: Cross multiply
    81,792.50x = 176,473 × 176,473
  4. Step 4: Simplify right side
    81,792.50x = 31,142,719,729
  5. Step 5: Solve for x
    x = 31,142,719,729/81,792.50
  6. Step 6: Final answer
    x = 380,752.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.