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Finding the Third Proportional to 186,712.88 and 291,732.75

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Solution

The third proportional to 186,712.88 and 291,732.75 is: 455,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,712.88 : 291,732.75 = 291,732.75 : x
  2. Step 2: Convert to fraction form
    186,712.88/291,732.75 = 291,732.75/x
  3. Step 3: Cross multiply
    186,712.88x = 291,732.75 × 291,732.75
  4. Step 4: Simplify right side
    186,712.88x = 85,107,997,422.56
  5. Step 5: Solve for x
    x = 85,107,997,422.56/186,712.88
  6. Step 6: Final answer
    x = 455,822.86

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.