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Finding the Third Proportional to 3,630,947.50 and 7,900,580

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Solution

The third proportional to 3,630,947.50 and 7,900,580 is: 17,190,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,947.50 : 7,900,580 = 7,900,580 : x
  2. Step 2: Convert to fraction form
    3,630,947.50/7,900,580 = 7,900,580/x
  3. Step 3: Cross multiply
    3,630,947.50x = 7,900,580 × 7,900,580
  4. Step 4: Simplify right side
    3,630,947.50x = 62,419,164,336,400
  5. Step 5: Solve for x
    x = 62,419,164,336,400/3,630,947.50
  6. Step 6: Final answer
    x = 17,190,874.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.