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Finding the Third Proportional to 663,009.75 and 1,019,685.38

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Solution

The third proportional to 663,009.75 and 1,019,685.38 is: 1,568,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,009.75 : 1,019,685.38 = 1,019,685.38 : x
  2. Step 2: Convert to fraction form
    663,009.75/1,019,685.38 = 1,019,685.38/x
  3. Step 3: Cross multiply
    663,009.75x = 1,019,685.38 × 1,019,685.38
  4. Step 4: Simplify right side
    663,009.75x = 1,039,758,263,988.89
  5. Step 5: Solve for x
    x = 1,039,758,263,988.89/663,009.75
  6. Step 6: Final answer
    x = 1,568,239.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.