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Finding the Third Proportional to 552,520 and 779,877

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Solution

The third proportional to 552,520 and 779,877 is: 1,100,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,520 : 779,877 = 779,877 : x
  2. Step 2: Convert to fraction form
    552,520/779,877 = 779,877/x
  3. Step 3: Cross multiply
    552,520x = 779,877 × 779,877
  4. Step 4: Simplify right side
    552,520x = 608,208,135,129
  5. Step 5: Solve for x
    x = 608,208,135,129/552,520
  6. Step 6: Final answer
    x = 1,100,789.36

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.