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Finding the Third Proportional to 11,438,103 and 25,143,129

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Solution

The third proportional to 11,438,103 and 25,143,129 is: 55,269,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438,103 : 25,143,129 = 25,143,129 : x
  2. Step 2: Convert to fraction form
    11,438,103/25,143,129 = 25,143,129/x
  3. Step 3: Cross multiply
    11,438,103x = 25,143,129 × 25,143,129
  4. Step 4: Simplify right side
    11,438,103x = 632,176,935,910,641
  5. Step 5: Solve for x
    x = 632,176,935,910,641/11,438,103
  6. Step 6: Final answer
    x = 55,269,386.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.