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Finding the Third Proportional to 187.88 and 432

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Solution

The third proportional to 187.88 and 432 is: 993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.88 : 432 = 432 : x
  2. Step 2: Convert to fraction form
    187.88/432 = 432/x
  3. Step 3: Cross multiply
    187.88x = 432 × 432
  4. Step 4: Simplify right side
    187.88x = 186,624
  5. Step 5: Solve for x
    x = 186,624/187.88
  6. Step 6: Final answer
    x = 993.34

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.