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Finding the Third Proportional to 266,388 and 566,678

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Solution

The third proportional to 266,388 and 566,678 is: 1,205,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,388 : 566,678 = 566,678 : x
  2. Step 2: Convert to fraction form
    266,388/566,678 = 566,678/x
  3. Step 3: Cross multiply
    266,388x = 566,678 × 566,678
  4. Step 4: Simplify right side
    266,388x = 321,123,955,684
  5. Step 5: Solve for x
    x = 321,123,955,684/266,388
  6. Step 6: Final answer
    x = 1,205,474.55

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.