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Finding the Third Proportional to 266,620 and 563,216

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Solution

The third proportional to 266,620 and 563,216 is: 1,189,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,620 : 563,216 = 563,216 : x
  2. Step 2: Convert to fraction form
    266,620/563,216 = 563,216/x
  3. Step 3: Cross multiply
    266,620x = 563,216 × 563,216
  4. Step 4: Simplify right side
    266,620x = 317,212,262,656
  5. Step 5: Solve for x
    x = 317,212,262,656/266,620
  6. Step 6: Final answer
    x = 1,189,754.19

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.