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Finding the Third Proportional to 5,399 and 7,294

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Solution

The third proportional to 5,399 and 7,294 is: 9,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399 : 7,294 = 7,294 : x
  2. Step 2: Convert to fraction form
    5,399/7,294 = 7,294/x
  3. Step 3: Cross multiply
    5,399x = 7,294 × 7,294
  4. Step 4: Simplify right side
    5,399x = 53,202,436
  5. Step 5: Solve for x
    x = 53,202,436/5,399
  6. Step 6: Final answer
    x = 9,854.13

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.