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Finding the Third Proportional to 266,214 and 576,690

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Solution

The third proportional to 266,214 and 576,690 is: 1,249,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,214 : 576,690 = 576,690 : x
  2. Step 2: Convert to fraction form
    266,214/576,690 = 576,690/x
  3. Step 3: Cross multiply
    266,214x = 576,690 × 576,690
  4. Step 4: Simplify right side
    266,214x = 332,571,356,100
  5. Step 5: Solve for x
    x = 332,571,356,100/266,214
  6. Step 6: Final answer
    x = 1,249,263.21

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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.