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Finding the Third Proportional to 15,178.50 and 32,013

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Solution

The third proportional to 15,178.50 and 32,013 is: 67,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.50 : 32,013 = 32,013 : x
  2. Step 2: Convert to fraction form
    15,178.50/32,013 = 32,013/x
  3. Step 3: Cross multiply
    15,178.50x = 32,013 × 32,013
  4. Step 4: Simplify right side
    15,178.50x = 1,024,832,169
  5. Step 5: Solve for x
    x = 1,024,832,169/15,178.50
  6. Step 6: Final answer
    x = 67,518.67

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.