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Finding the Third Proportional to 552,632 and 878,770

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Solution

The third proportional to 552,632 and 878,770 is: 1,397,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,632 : 878,770 = 878,770 : x
  2. Step 2: Convert to fraction form
    552,632/878,770 = 878,770/x
  3. Step 3: Cross multiply
    552,632x = 878,770 × 878,770
  4. Step 4: Simplify right side
    552,632x = 772,236,712,900
  5. Step 5: Solve for x
    x = 772,236,712,900/552,632
  6. Step 6: Final answer
    x = 1,397,379.65

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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.