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Finding the Third Proportional to 9,153 and 13,005.56

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Solution

The third proportional to 9,153 and 13,005.56 is: 18,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153 : 13,005.56 = 13,005.56 : x
  2. Step 2: Convert to fraction form
    9,153/13,005.56 = 13,005.56/x
  3. Step 3: Cross multiply
    9,153x = 13,005.56 × 13,005.56
  4. Step 4: Simplify right side
    9,153x = 169,144,655.94
  5. Step 5: Solve for x
    x = 169,144,655.94/9,153
  6. Step 6: Final answer
    x = 18,479.70

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.