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Finding the Third Proportional to 187,349.63 and 285,687

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Solution

The third proportional to 187,349.63 and 285,687 is: 435,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,349.63 : 285,687 = 285,687 : x
  2. Step 2: Convert to fraction form
    187,349.63/285,687 = 285,687/x
  3. Step 3: Cross multiply
    187,349.63x = 285,687 × 285,687
  4. Step 4: Simplify right side
    187,349.63x = 81,617,061,969
  5. Step 5: Solve for x
    x = 81,617,061,969/187,349.63
  6. Step 6: Final answer
    x = 435,640.38

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.