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Finding the Third Proportional to 268,788 and 577,422.75

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Solution

The third proportional to 268,788 and 577,422.75 is: 1,240,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,788 : 577,422.75 = 577,422.75 : x
  2. Step 2: Convert to fraction form
    268,788/577,422.75 = 577,422.75/x
  3. Step 3: Cross multiply
    268,788x = 577,422.75 × 577,422.75
  4. Step 4: Simplify right side
    268,788x = 333,417,032,217.56
  5. Step 5: Solve for x
    x = 333,417,032,217.56/268,788
  6. Step 6: Final answer
    x = 1,240,446.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.