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Finding the Third Proportional to 133,687.13 and 291,370.50

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Solution

The third proportional to 133,687.13 and 291,370.50 is: 635,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.13 : 291,370.50 = 291,370.50 : x
  2. Step 2: Convert to fraction form
    133,687.13/291,370.50 = 291,370.50/x
  3. Step 3: Cross multiply
    133,687.13x = 291,370.50 × 291,370.50
  4. Step 4: Simplify right side
    133,687.13x = 84,896,768,270.25
  5. Step 5: Solve for x
    x = 84,896,768,270.25/133,687.13
  6. Step 6: Final answer
    x = 635,040.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.