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Finding the Third Proportional to 122,040 and 266,160

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Solution

The third proportional to 122,040 and 266,160 is: 580,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,040 : 266,160 = 266,160 : x
  2. Step 2: Convert to fraction form
    122,040/266,160 = 266,160/x
  3. Step 3: Cross multiply
    122,040x = 266,160 × 266,160
  4. Step 4: Simplify right side
    122,040x = 70,841,145,600
  5. Step 5: Solve for x
    x = 70,841,145,600/122,040
  6. Step 6: Final answer
    x = 580,474.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.