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Finding the Third Proportional to 552,627 and 878,760

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Solution

The third proportional to 552,627 and 878,760 is: 1,397,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,627 : 878,760 = 878,760 : x
  2. Step 2: Convert to fraction form
    552,627/878,760 = 878,760/x
  3. Step 3: Cross multiply
    552,627x = 878,760 × 878,760
  4. Step 4: Simplify right side
    552,627x = 772,219,137,600
  5. Step 5: Solve for x
    x = 772,219,137,600/552,627
  6. Step 6: Final answer
    x = 1,397,360.49

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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.