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Finding the Third Proportional to 177,319 and 266,155

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Solution

The third proportional to 177,319 and 266,155 is: 399,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,319 : 266,155 = 266,155 : x
  2. Step 2: Convert to fraction form
    177,319/266,155 = 266,155/x
  3. Step 3: Cross multiply
    177,319x = 266,155 × 266,155
  4. Step 4: Simplify right side
    177,319x = 70,838,484,025
  5. Step 5: Solve for x
    x = 70,838,484,025/177,319
  6. Step 6: Final answer
    x = 399,497.43

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