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Finding the Third Proportional to 103,862 and 155,617

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Solution

The third proportional to 103,862 and 155,617 is: 233,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,862 : 155,617 = 155,617 : x
  2. Step 2: Convert to fraction form
    103,862/155,617 = 155,617/x
  3. Step 3: Cross multiply
    103,862x = 155,617 × 155,617
  4. Step 4: Simplify right side
    103,862x = 24,216,650,689
  5. Step 5: Solve for x
    x = 24,216,650,689/103,862
  6. Step 6: Final answer
    x = 233,161.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.