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Finding the Third Proportional to 4,358 and 6,531

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Solution

The third proportional to 4,358 and 6,531 is: 9,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358 : 6,531 = 6,531 : x
  2. Step 2: Convert to fraction form
    4,358/6,531 = 6,531/x
  3. Step 3: Cross multiply
    4,358x = 6,531 × 6,531
  4. Step 4: Simplify right side
    4,358x = 42,653,961
  5. Step 5: Solve for x
    x = 42,653,961/4,358
  6. Step 6: Final answer
    x = 9,787.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.