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Finding the Third Proportional to 32,351 and 68,590

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Solution

The third proportional to 32,351 and 68,590 is: 145,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,351 : 68,590 = 68,590 : x
  2. Step 2: Convert to fraction form
    32,351/68,590 = 68,590/x
  3. Step 3: Cross multiply
    32,351x = 68,590 × 68,590
  4. Step 4: Simplify right side
    32,351x = 4,704,588,100
  5. Step 5: Solve for x
    x = 4,704,588,100/32,351
  6. Step 6: Final answer
    x = 145,423.27

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.