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Finding the Third Proportional to 7,017 and 8,869.50

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Solution

The third proportional to 7,017 and 8,869.50 is: 11,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017 : 8,869.50 = 8,869.50 : x
  2. Step 2: Convert to fraction form
    7,017/8,869.50 = 8,869.50/x
  3. Step 3: Cross multiply
    7,017x = 8,869.50 × 8,869.50
  4. Step 4: Simplify right side
    7,017x = 78,668,030.25
  5. Step 5: Solve for x
    x = 78,668,030.25/7,017
  6. Step 6: Final answer
    x = 11,211.06

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.