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Finding the Third Proportional to 238,257.75 and 370,456.13

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Solution

The third proportional to 238,257.75 and 370,456.13 is: 576,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,257.75 : 370,456.13 = 370,456.13 : x
  2. Step 2: Convert to fraction form
    238,257.75/370,456.13 = 370,456.13/x
  3. Step 3: Cross multiply
    238,257.75x = 370,456.13 × 370,456.13
  4. Step 4: Simplify right side
    238,257.75x = 137,237,740,550.02
  5. Step 5: Solve for x
    x = 137,237,740,550.02/238,257.75
  6. Step 6: Final answer
    x = 576,005.36

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.