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Finding the Third Proportional to 5,190 and 9,534

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Solution

The third proportional to 5,190 and 9,534 is: 17,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190 : 9,534 = 9,534 : x
  2. Step 2: Convert to fraction form
    5,190/9,534 = 9,534/x
  3. Step 3: Cross multiply
    5,190x = 9,534 × 9,534
  4. Step 4: Simplify right side
    5,190x = 90,897,156
  5. Step 5: Solve for x
    x = 90,897,156/5,190
  6. Step 6: Final answer
    x = 17,513.90

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.