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Finding the Third Proportional to 694,920 and 1,036,309

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Solution

The third proportional to 694,920 and 1,036,309 is: 1,545,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,920 : 1,036,309 = 1,036,309 : x
  2. Step 2: Convert to fraction form
    694,920/1,036,309 = 1,036,309/x
  3. Step 3: Cross multiply
    694,920x = 1,036,309 × 1,036,309
  4. Step 4: Simplify right side
    694,920x = 1,073,936,343,481
  5. Step 5: Solve for x
    x = 1,073,936,343,481/694,920
  6. Step 6: Final answer
    x = 1,545,410.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.