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Finding the Third Proportional to 15,622.50 and 34,017

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Solution

The third proportional to 15,622.50 and 34,017 is: 74,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.50 : 34,017 = 34,017 : x
  2. Step 2: Convert to fraction form
    15,622.50/34,017 = 34,017/x
  3. Step 3: Cross multiply
    15,622.50x = 34,017 × 34,017
  4. Step 4: Simplify right side
    15,622.50x = 1,157,156,289
  5. Step 5: Solve for x
    x = 1,157,156,289/15,622.50
  6. Step 6: Final answer
    x = 74,069.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.