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Finding the Third Proportional to 116.63 and 291

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Solution

The third proportional to 116.63 and 291 is: 726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.63 : 291 = 291 : x
  2. Step 2: Convert to fraction form
    116.63/291 = 291/x
  3. Step 3: Cross multiply
    116.63x = 291 × 291
  4. Step 4: Simplify right side
    116.63x = 84,681
  5. Step 5: Solve for x
    x = 84,681/116.63
  6. Step 6: Final answer
    x = 726.10

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Why These Related Problems?

These problems maintain the same ratio (2.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.