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Finding the Third Proportional to 177,310 and 266,146

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Solution

The third proportional to 177,310 and 266,146 is: 399,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,310 : 266,146 = 266,146 : x
  2. Step 2: Convert to fraction form
    177,310/266,146 = 266,146/x
  3. Step 3: Cross multiply
    177,310x = 266,146 × 266,146
  4. Step 4: Simplify right side
    177,310x = 70,833,693,316
  5. Step 5: Solve for x
    x = 70,833,693,316/177,310
  6. Step 6: Final answer
    x = 399,490.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.