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Finding the Third Proportional to 1,986,707.25 and 3,057,562.69

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Solution

The third proportional to 1,986,707.25 and 3,057,562.69 is: 4,705,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,707.25 : 3,057,562.69 = 3,057,562.69 : x
  2. Step 2: Convert to fraction form
    1,986,707.25/3,057,562.69 = 3,057,562.69/x
  3. Step 3: Cross multiply
    1,986,707.25x = 3,057,562.69 × 3,057,562.69
  4. Step 4: Simplify right side
    1,986,707.25x = 9,348,689,587,992.22
  5. Step 5: Solve for x
    x = 9,348,689,587,992.22/1,986,707.25
  6. Step 6: Final answer
    x = 4,705,620.11

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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.