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Finding the Third Proportional to 5,470 and 5,902

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Solution

The third proportional to 5,470 and 5,902 is: 6,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470 : 5,902 = 5,902 : x
  2. Step 2: Convert to fraction form
    5,470/5,902 = 5,902/x
  3. Step 3: Cross multiply
    5,470x = 5,902 × 5,902
  4. Step 4: Simplify right side
    5,470x = 34,833,604
  5. Step 5: Solve for x
    x = 34,833,604/5,470
  6. Step 6: Final answer
    x = 6,368.12

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.