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Finding the Third Proportional to 60,617.50 and 131,603

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Solution

The third proportional to 60,617.50 and 131,603 is: 285,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,617.50 : 131,603 = 131,603 : x
  2. Step 2: Convert to fraction form
    60,617.50/131,603 = 131,603/x
  3. Step 3: Cross multiply
    60,617.50x = 131,603 × 131,603
  4. Step 4: Simplify right side
    60,617.50x = 17,319,349,609
  5. Step 5: Solve for x
    x = 17,319,349,609/60,617.50
  6. Step 6: Final answer
    x = 285,715.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.