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Finding the Third Proportional to 5,637 and 8,434.50

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Solution

The third proportional to 5,637 and 8,434.50 is: 12,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637 : 8,434.50 = 8,434.50 : x
  2. Step 2: Convert to fraction form
    5,637/8,434.50 = 8,434.50/x
  3. Step 3: Cross multiply
    5,637x = 8,434.50 × 8,434.50
  4. Step 4: Simplify right side
    5,637x = 71,140,790.25
  5. Step 5: Solve for x
    x = 71,140,790.25/5,637
  6. Step 6: Final answer
    x = 12,620.33

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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.