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Finding the Third Proportional to 15,003 and 21,604.50

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Solution

The third proportional to 15,003 and 21,604.50 is: 31,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003 : 21,604.50 = 21,604.50 : x
  2. Step 2: Convert to fraction form
    15,003/21,604.50 = 21,604.50/x
  3. Step 3: Cross multiply
    15,003x = 21,604.50 × 21,604.50
  4. Step 4: Simplify right side
    15,003x = 466,754,420.25
  5. Step 5: Solve for x
    x = 466,754,420.25/15,003
  6. Step 6: Final answer
    x = 31,110.74

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.