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Finding the Third Proportional to 7,321,945.50 and 15,249,917.25

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Solution

The third proportional to 7,321,945.50 and 15,249,917.25 is: 31,762,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321,945.50 : 15,249,917.25 = 15,249,917.25 : x
  2. Step 2: Convert to fraction form
    7,321,945.50/15,249,917.25 = 15,249,917.25/x
  3. Step 3: Cross multiply
    7,321,945.50x = 15,249,917.25 × 15,249,917.25
  4. Step 4: Simplify right side
    7,321,945.50x = 232,559,976,131,847.56
  5. Step 5: Solve for x
    x = 232,559,976,131,847.56/7,321,945.50
  6. Step 6: Final answer
    x = 31,762,046.87

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.