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Finding the Third Proportional to 19,740,055.50 and 30,686,571

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Solution

The third proportional to 19,740,055.50 and 30,686,571 is: 47,703,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740,055.50 : 30,686,571 = 30,686,571 : x
  2. Step 2: Convert to fraction form
    19,740,055.50/30,686,571 = 30,686,571/x
  3. Step 3: Cross multiply
    19,740,055.50x = 30,686,571 × 30,686,571
  4. Step 4: Simplify right side
    19,740,055.50x = 941,665,639,738,041
  5. Step 5: Solve for x
    x = 941,665,639,738,041/19,740,055.50
  6. Step 6: Final answer
    x = 47,703,292.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.