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Finding the Third Proportional to 187,203.38 and 403,931.25

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Solution

The third proportional to 187,203.38 and 403,931.25 is: 871,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,203.38 : 403,931.25 = 403,931.25 : x
  2. Step 2: Convert to fraction form
    187,203.38/403,931.25 = 403,931.25/x
  3. Step 3: Cross multiply
    187,203.38x = 403,931.25 × 403,931.25
  4. Step 4: Simplify right side
    187,203.38x = 163,160,454,726.56
  5. Step 5: Solve for x
    x = 163,160,454,726.56/187,203.38
  6. Step 6: Final answer
    x = 871,567.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.