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Finding the Third Proportional to 10,649,179.50 and 15,228,443.25

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Solution

The third proportional to 10,649,179.50 and 15,228,443.25 is: 21,776,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,179.50 : 15,228,443.25 = 15,228,443.25 : x
  2. Step 2: Convert to fraction form
    10,649,179.50/15,228,443.25 = 15,228,443.25/x
  3. Step 3: Cross multiply
    10,649,179.50x = 15,228,443.25 × 15,228,443.25
  4. Step 4: Simplify right side
    10,649,179.50x = 231,905,483,818,470.56
  5. Step 5: Solve for x
    x = 231,905,483,818,470.56/10,649,179.50
  6. Step 6: Final answer
    x = 21,776,840.54

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.