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Finding the Third Proportional to 187,885.50 and 291,376.50

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Solution

The third proportional to 187,885.50 and 291,376.50 is: 451,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,885.50 : 291,376.50 = 291,376.50 : x
  2. Step 2: Convert to fraction form
    187,885.50/291,376.50 = 291,376.50/x
  3. Step 3: Cross multiply
    187,885.50x = 291,376.50 × 291,376.50
  4. Step 4: Simplify right side
    187,885.50x = 84,900,264,752.25
  5. Step 5: Solve for x
    x = 84,900,264,752.25/187,885.50
  6. Step 6: Final answer
    x = 451,872.36

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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.