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Finding the Third Proportional to 8,603.72 and 18,241.45

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Solution

The third proportional to 8,603.72 and 18,241.45 is: 38,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.72 : 18,241.45 = 18,241.45 : x
  2. Step 2: Convert to fraction form
    8,603.72/18,241.45 = 18,241.45/x
  3. Step 3: Cross multiply
    8,603.72x = 18,241.45 × 18,241.45
  4. Step 4: Simplify right side
    8,603.72x = 332,750,612.11
  5. Step 5: Solve for x
    x = 332,750,612.11/8,603.72
  6. Step 6: Final answer
    x = 38,675.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.