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Finding the Third Proportional to 822,674 and 1,242,759

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Solution

The third proportional to 822,674 and 1,242,759 is: 1,877,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,674 : 1,242,759 = 1,242,759 : x
  2. Step 2: Convert to fraction form
    822,674/1,242,759 = 1,242,759/x
  3. Step 3: Cross multiply
    822,674x = 1,242,759 × 1,242,759
  4. Step 4: Simplify right side
    822,674x = 1,544,449,932,081
  5. Step 5: Solve for x
    x = 1,544,449,932,081/822,674
  6. Step 6: Final answer
    x = 1,877,353.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.