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Finding the Third Proportional to 71,307 and 92,704.50

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Solution

The third proportional to 71,307 and 92,704.50 is: 120,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307 : 92,704.50 = 92,704.50 : x
  2. Step 2: Convert to fraction form
    71,307/92,704.50 = 92,704.50/x
  3. Step 3: Cross multiply
    71,307x = 92,704.50 × 92,704.50
  4. Step 4: Simplify right side
    71,307x = 8,594,124,320.25
  5. Step 5: Solve for x
    x = 8,594,124,320.25/71,307
  6. Step 6: Final answer
    x = 120,522.87

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.