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Finding the Third Proportional to 576,780.75 and 1,242,309

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Solution

The third proportional to 576,780.75 and 1,242,309 is: 2,675,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,780.75 : 1,242,309 = 1,242,309 : x
  2. Step 2: Convert to fraction form
    576,780.75/1,242,309 = 1,242,309/x
  3. Step 3: Cross multiply
    576,780.75x = 1,242,309 × 1,242,309
  4. Step 4: Simplify right side
    576,780.75x = 1,543,331,651,481
  5. Step 5: Solve for x
    x = 1,543,331,651,481/576,780.75
  6. Step 6: Final answer
    x = 2,675,768.31

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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.