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Finding the Third Proportional to 568,307 and 877,791

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Solution

The third proportional to 568,307 and 877,791 is: 1,355,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,307 : 877,791 = 877,791 : x
  2. Step 2: Convert to fraction form
    568,307/877,791 = 877,791/x
  3. Step 3: Cross multiply
    568,307x = 877,791 × 877,791
  4. Step 4: Simplify right side
    568,307x = 770,517,039,681
  5. Step 5: Solve for x
    x = 770,517,039,681/568,307
  6. Step 6: Final answer
    x = 1,355,811.28

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.