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Finding the Third Proportional to 121,104 and 266,103

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Solution

The third proportional to 121,104 and 266,103 is: 584,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,104 : 266,103 = 266,103 : x
  2. Step 2: Convert to fraction form
    121,104/266,103 = 266,103/x
  3. Step 3: Cross multiply
    121,104x = 266,103 × 266,103
  4. Step 4: Simplify right side
    121,104x = 70,810,806,609
  5. Step 5: Solve for x
    x = 70,810,806,609/121,104
  6. Step 6: Final answer
    x = 584,710.72

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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.