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Finding the Third Proportional to 619,995.38 and 877,534.88

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Solution

The third proportional to 619,995.38 and 877,534.88 is: 1,242,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,995.38 : 877,534.88 = 877,534.88 : x
  2. Step 2: Convert to fraction form
    619,995.38/877,534.88 = 877,534.88/x
  3. Step 3: Cross multiply
    619,995.38x = 877,534.88 × 877,534.88
  4. Step 4: Simplify right side
    619,995.38x = 770,067,456,841.27
  5. Step 5: Solve for x
    x = 770,067,456,841.27/619,995.38
  6. Step 6: Final answer
    x = 1,242,053.55

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.