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Finding the Third Proportional to 60,806 and 130,603

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Solution

The third proportional to 60,806 and 130,603 is: 280,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,806 : 130,603 = 130,603 : x
  2. Step 2: Convert to fraction form
    60,806/130,603 = 130,603/x
  3. Step 3: Cross multiply
    60,806x = 130,603 × 130,603
  4. Step 4: Simplify right side
    60,806x = 17,057,143,609
  5. Step 5: Solve for x
    x = 17,057,143,609/60,806
  6. Step 6: Final answer
    x = 280,517.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.