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Finding the Third Proportional to 187,207.88 and 403,940.25

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Solution

The third proportional to 187,207.88 and 403,940.25 is: 871,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,207.88 : 403,940.25 = 403,940.25 : x
  2. Step 2: Convert to fraction form
    187,207.88/403,940.25 = 403,940.25/x
  3. Step 3: Cross multiply
    187,207.88x = 403,940.25 × 403,940.25
  4. Step 4: Simplify right side
    187,207.88x = 163,167,725,570.06
  5. Step 5: Solve for x
    x = 163,167,725,570.06/187,207.88
  6. Step 6: Final answer
    x = 871,585.80

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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.