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Finding the Third Proportional to 266,208 and 577,331.25

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Solution

The third proportional to 266,208 and 577,331.25 is: 1,252,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,208 : 577,331.25 = 577,331.25 : x
  2. Step 2: Convert to fraction form
    266,208/577,331.25 = 577,331.25/x
  3. Step 3: Cross multiply
    266,208x = 577,331.25 × 577,331.25
  4. Step 4: Simplify right side
    266,208x = 333,311,372,226.56
  5. Step 5: Solve for x
    x = 333,311,372,226.56/266,208
  6. Step 6: Final answer
    x = 1,252,071.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.