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Finding the Third Proportional to 1,389,781.13 and 3,000,996

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Solution

The third proportional to 1,389,781.13 and 3,000,996 is: 6,480,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,781.13 : 3,000,996 = 3,000,996 : x
  2. Step 2: Convert to fraction form
    1,389,781.13/3,000,996 = 3,000,996/x
  3. Step 3: Cross multiply
    1,389,781.13x = 3,000,996 × 3,000,996
  4. Step 4: Simplify right side
    1,389,781.13x = 9,005,976,992,016
  5. Step 5: Solve for x
    x = 9,005,976,992,016/1,389,781.13
  6. Step 6: Final answer
    x = 6,480,140.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.