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Finding the Third Proportional to 81,501.94 and 176,569.50

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Solution

The third proportional to 81,501.94 and 176,569.50 is: 382,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,501.94 : 176,569.50 = 176,569.50 : x
  2. Step 2: Convert to fraction form
    81,501.94/176,569.50 = 176,569.50/x
  3. Step 3: Cross multiply
    81,501.94x = 176,569.50 × 176,569.50
  4. Step 4: Simplify right side
    81,501.94x = 31,176,788,330.25
  5. Step 5: Solve for x
    x = 31,176,788,330.25/81,501.94
  6. Step 6: Final answer
    x = 382,528.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.