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Finding the Third Proportional to 552,637 and 878,779

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Solution

The third proportional to 552,637 and 878,779 is: 1,397,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,637 : 878,779 = 878,779 : x
  2. Step 2: Convert to fraction form
    552,637/878,779 = 878,779/x
  3. Step 3: Cross multiply
    552,637x = 878,779 × 878,779
  4. Step 4: Simplify right side
    552,637x = 772,252,530,841
  5. Step 5: Solve for x
    x = 772,252,530,841/552,637
  6. Step 6: Final answer
    x = 1,397,395.63

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.