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Finding the Third Proportional to 266,553 and 577,332

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Solution

The third proportional to 266,553 and 577,332 is: 1,250,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,553 : 577,332 = 577,332 : x
  2. Step 2: Convert to fraction form
    266,553/577,332 = 577,332/x
  3. Step 3: Cross multiply
    266,553x = 577,332 × 577,332
  4. Step 4: Simplify right side
    266,553x = 333,312,238,224
  5. Step 5: Solve for x
    x = 333,312,238,224/266,553
  6. Step 6: Final answer
    x = 1,250,453.90

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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.