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Finding the Third Proportional to 39,806 and 62,130

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Solution

The third proportional to 39,806 and 62,130 is: 96,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806 : 62,130 = 62,130 : x
  2. Step 2: Convert to fraction form
    39,806/62,130 = 62,130/x
  3. Step 3: Cross multiply
    39,806x = 62,130 × 62,130
  4. Step 4: Simplify right side
    39,806x = 3,860,136,900
  5. Step 5: Solve for x
    x = 3,860,136,900/39,806
  6. Step 6: Final answer
    x = 96,973.75

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.