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Finding the Third Proportional to 58,445.30 and 131,755.36

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Solution

The third proportional to 58,445.30 and 131,755.36 is: 297,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.30 : 131,755.36 = 131,755.36 : x
  2. Step 2: Convert to fraction form
    58,445.30/131,755.36 = 131,755.36/x
  3. Step 3: Cross multiply
    58,445.30x = 131,755.36 × 131,755.36
  4. Step 4: Simplify right side
    58,445.30x = 17,359,474,724.04
  5. Step 5: Solve for x
    x = 17,359,474,724.04/58,445.30
  6. Step 6: Final answer
    x = 297,020.90

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.