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Finding the Third Proportional to 15,428,032.50 and 33,177,930

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Solution

The third proportional to 15,428,032.50 and 33,177,930 is: 71,349,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428,032.50 : 33,177,930 = 33,177,930 : x
  2. Step 2: Convert to fraction form
    15,428,032.50/33,177,930 = 33,177,930/x
  3. Step 3: Cross multiply
    15,428,032.50x = 33,177,930 × 33,177,930
  4. Step 4: Simplify right side
    15,428,032.50x = 1,100,775,039,084,900
  5. Step 5: Solve for x
    x = 1,100,775,039,084,900/15,428,032.50
  6. Step 6: Final answer
    x = 71,349,022.57

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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.