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Finding the Third Proportional to 187,473 and 397,291.50

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Solution

The third proportional to 187,473 and 397,291.50 is: 841,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,473 : 397,291.50 = 397,291.50 : x
  2. Step 2: Convert to fraction form
    187,473/397,291.50 = 397,291.50/x
  3. Step 3: Cross multiply
    187,473x = 397,291.50 × 397,291.50
  4. Step 4: Simplify right side
    187,473x = 157,840,535,972.25
  5. Step 5: Solve for x
    x = 157,840,535,972.25/187,473
  6. Step 6: Final answer
    x = 841,937.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.