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Finding the Third Proportional to 552,520 and 779,878

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Solution

The third proportional to 552,520 and 779,878 is: 1,100,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,520 : 779,878 = 779,878 : x
  2. Step 2: Convert to fraction form
    552,520/779,878 = 779,878/x
  3. Step 3: Cross multiply
    552,520x = 779,878 × 779,878
  4. Step 4: Simplify right side
    552,520x = 608,209,694,884
  5. Step 5: Solve for x
    x = 608,209,694,884/552,520
  6. Step 6: Final answer
    x = 1,100,792.18

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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.