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Finding the Third Proportional to 612,856.13 and 1,012,839.19

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Solution

The third proportional to 612,856.13 and 1,012,839.19 is: 1,673,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,856.13 : 1,012,839.19 = 1,012,839.19 : x
  2. Step 2: Convert to fraction form
    612,856.13/1,012,839.19 = 1,012,839.19/x
  3. Step 3: Cross multiply
    612,856.13x = 1,012,839.19 × 1,012,839.19
  4. Step 4: Simplify right side
    612,856.13x = 1,025,843,219,735.66
  5. Step 5: Solve for x
    x = 1,025,843,219,735.66/612,856.13
  6. Step 6: Final answer
    x = 1,673,872.84

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.