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Finding the Third Proportional to 15,138 and 29,886.75

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Solution

The third proportional to 15,138 and 29,886.75 is: 59,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138 : 29,886.75 = 29,886.75 : x
  2. Step 2: Convert to fraction form
    15,138/29,886.75 = 29,886.75/x
  3. Step 3: Cross multiply
    15,138x = 29,886.75 × 29,886.75
  4. Step 4: Simplify right side
    15,138x = 893,217,825.56
  5. Step 5: Solve for x
    x = 893,217,825.56/15,138
  6. Step 6: Final answer
    x = 59,005.01

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.