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Finding the Third Proportional to 1,445,883.50 and 3,117,720

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Solution

The third proportional to 1,445,883.50 and 3,117,720 is: 6,722,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,883.50 : 3,117,720 = 3,117,720 : x
  2. Step 2: Convert to fraction form
    1,445,883.50/3,117,720 = 3,117,720/x
  3. Step 3: Cross multiply
    1,445,883.50x = 3,117,720 × 3,117,720
  4. Step 4: Simplify right side
    1,445,883.50x = 9,720,177,998,400
  5. Step 5: Solve for x
    x = 9,720,177,998,400/1,445,883.50
  6. Step 6: Final answer
    x = 6,722,656.42

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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.