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Finding the Third Proportional to 549 and 714.50

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Solution

The third proportional to 549 and 714.50 is: 929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    549 : 714.50 = 714.50 : x
  2. Step 2: Convert to fraction form
    549/714.50 = 714.50/x
  3. Step 3: Cross multiply
    549x = 714.50 × 714.50
  4. Step 4: Simplify right side
    549x = 510,510.25
  5. Step 5: Solve for x
    x = 510,510.25/549
  6. Step 6: Final answer
    x = 929.89

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.