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Finding the Third Proportional to 4,534 and 6,418

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Solution

The third proportional to 4,534 and 6,418 is: 9,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,534 : 6,418 = 6,418 : x
  2. Step 2: Convert to fraction form
    4,534/6,418 = 6,418/x
  3. Step 3: Cross multiply
    4,534x = 6,418 × 6,418
  4. Step 4: Simplify right side
    4,534x = 41,190,724
  5. Step 5: Solve for x
    x = 41,190,724/4,534
  6. Step 6: Final answer
    x = 9,084.85

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.