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Finding the Third Proportional to 619,996 and 877,535

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Solution

The third proportional to 619,996 and 877,535 is: 1,242,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,996 : 877,535 = 877,535 : x
  2. Step 2: Convert to fraction form
    619,996/877,535 = 877,535/x
  3. Step 3: Cross multiply
    619,996x = 877,535 × 877,535
  4. Step 4: Simplify right side
    619,996x = 770,067,676,225
  5. Step 5: Solve for x
    x = 770,067,676,225/619,996
  6. Step 6: Final answer
    x = 1,242,052.65

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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.