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Finding the Third Proportional to 15,428,011.50 and 33,177,888

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Solution

The third proportional to 15,428,011.50 and 33,177,888 is: 71,348,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428,011.50 : 33,177,888 = 33,177,888 : x
  2. Step 2: Convert to fraction form
    15,428,011.50/33,177,888 = 33,177,888/x
  3. Step 3: Cross multiply
    15,428,011.50x = 33,177,888 × 33,177,888
  4. Step 4: Simplify right side
    15,428,011.50x = 1,100,772,252,140,544
  5. Step 5: Solve for x
    x = 1,100,772,252,140,544/15,428,011.50
  6. Step 6: Final answer
    x = 71,348,939.05

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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.