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Finding the Third Proportional to 3,397,686.75 and 7,466,782.50

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Solution

The third proportional to 3,397,686.75 and 7,466,782.50 is: 16,409,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,686.75 : 7,466,782.50 = 7,466,782.50 : x
  2. Step 2: Convert to fraction form
    3,397,686.75/7,466,782.50 = 7,466,782.50/x
  3. Step 3: Cross multiply
    3,397,686.75x = 7,466,782.50 × 7,466,782.50
  4. Step 4: Simplify right side
    3,397,686.75x = 55,752,840,902,306.25
  5. Step 5: Solve for x
    x = 55,752,840,902,306.25/3,397,686.75
  6. Step 6: Final answer
    x = 16,409,058.58

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.