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Finding the Third Proportional to 100,408 and 155,562

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Solution

The third proportional to 100,408 and 155,562 is: 241,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,408 : 155,562 = 155,562 : x
  2. Step 2: Convert to fraction form
    100,408/155,562 = 155,562/x
  3. Step 3: Cross multiply
    100,408x = 155,562 × 155,562
  4. Step 4: Simplify right side
    100,408x = 24,199,535,844
  5. Step 5: Solve for x
    x = 24,199,535,844/100,408
  6. Step 6: Final answer
    x = 241,012.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.