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Finding the Third Proportional to 119,859 and 266,320

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Solution

The third proportional to 119,859 and 266,320 is: 591,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,859 : 266,320 = 266,320 : x
  2. Step 2: Convert to fraction form
    119,859/266,320 = 266,320/x
  3. Step 3: Cross multiply
    119,859x = 266,320 × 266,320
  4. Step 4: Simplify right side
    119,859x = 70,926,342,400
  5. Step 5: Solve for x
    x = 70,926,342,400/119,859
  6. Step 6: Final answer
    x = 591,748.16

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.