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Finding the Third Proportional to 261,806 and 564,796

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Solution

The third proportional to 261,806 and 564,796 is: 1,218,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,806 : 564,796 = 564,796 : x
  2. Step 2: Convert to fraction form
    261,806/564,796 = 564,796/x
  3. Step 3: Cross multiply
    261,806x = 564,796 × 564,796
  4. Step 4: Simplify right side
    261,806x = 318,994,521,616
  5. Step 5: Solve for x
    x = 318,994,521,616/261,806
  6. Step 6: Final answer
    x = 1,218,438.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.