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Finding the Third Proportional to 3,308,019.75 and 7,122,890.25

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Solution

The third proportional to 3,308,019.75 and 7,122,890.25 is: 15,337,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,019.75 : 7,122,890.25 = 7,122,890.25 : x
  2. Step 2: Convert to fraction form
    3,308,019.75/7,122,890.25 = 7,122,890.25/x
  3. Step 3: Cross multiply
    3,308,019.75x = 7,122,890.25 × 7,122,890.25
  4. Step 4: Simplify right side
    3,308,019.75x = 50,735,565,513,545.06
  5. Step 5: Solve for x
    x = 50,735,565,513,545.06/3,308,019.75
  6. Step 6: Final answer
    x = 15,337,141.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.