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Finding the Third Proportional to 7,074 and 9,004.50

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Solution

The third proportional to 7,074 and 9,004.50 is: 11,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074 : 9,004.50 = 9,004.50 : x
  2. Step 2: Convert to fraction form
    7,074/9,004.50 = 9,004.50/x
  3. Step 3: Cross multiply
    7,074x = 9,004.50 × 9,004.50
  4. Step 4: Simplify right side
    7,074x = 81,081,020.25
  5. Step 5: Solve for x
    x = 81,081,020.25/7,074
  6. Step 6: Final answer
    x = 11,461.83

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.