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Finding the Third Proportional to 552,669 and 810,872

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Solution

The third proportional to 552,669 and 810,872 is: 1,189,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,669 : 810,872 = 810,872 : x
  2. Step 2: Convert to fraction form
    552,669/810,872 = 810,872/x
  3. Step 3: Cross multiply
    552,669x = 810,872 × 810,872
  4. Step 4: Simplify right side
    552,669x = 657,513,400,384
  5. Step 5: Solve for x
    x = 657,513,400,384/552,669
  6. Step 6: Final answer
    x = 1,189,705.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.