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Finding the Third Proportional to 8,517.34 and 18,623.67

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Solution

The third proportional to 8,517.34 and 18,623.67 is: 40,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.34 : 18,623.67 = 18,623.67 : x
  2. Step 2: Convert to fraction form
    8,517.34/18,623.67 = 18,623.67/x
  3. Step 3: Cross multiply
    8,517.34x = 18,623.67 × 18,623.67
  4. Step 4: Simplify right side
    8,517.34x = 346,841,154.11
  5. Step 5: Solve for x
    x = 346,841,154.11/8,517.34
  6. Step 6: Final answer
    x = 40,721.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.