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Finding the Third Proportional to 618,885 and 932,424.75

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Solution

The third proportional to 618,885 and 932,424.75 is: 1,404,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,885 : 932,424.75 = 932,424.75 : x
  2. Step 2: Convert to fraction form
    618,885/932,424.75 = 932,424.75/x
  3. Step 3: Cross multiply
    618,885x = 932,424.75 × 932,424.75
  4. Step 4: Simplify right side
    618,885x = 869,415,914,412.56
  5. Step 5: Solve for x
    x = 869,415,914,412.56/618,885
  6. Step 6: Final answer
    x = 1,404,810.13

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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.