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Finding the Third Proportional to 92,605 and 138,297.50

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Solution

The third proportional to 92,605 and 138,297.50 is: 206,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,605 : 138,297.50 = 138,297.50 : x
  2. Step 2: Convert to fraction form
    92,605/138,297.50 = 138,297.50/x
  3. Step 3: Cross multiply
    92,605x = 138,297.50 × 138,297.50
  4. Step 4: Simplify right side
    92,605x = 19,126,198,506.25
  5. Step 5: Solve for x
    x = 19,126,198,506.25/92,605
  6. Step 6: Final answer
    x = 206,535.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.