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Finding the Third Proportional to 5,402.25 and 8,457.75

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Solution

The third proportional to 5,402.25 and 8,457.75 is: 13,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.25 : 8,457.75 = 8,457.75 : x
  2. Step 2: Convert to fraction form
    5,402.25/8,457.75 = 8,457.75/x
  3. Step 3: Cross multiply
    5,402.25x = 8,457.75 × 8,457.75
  4. Step 4: Simplify right side
    5,402.25x = 71,533,535.06
  5. Step 5: Solve for x
    x = 71,533,535.06/5,402.25
  6. Step 6: Final answer
    x = 13,241.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.