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Finding the Third Proportional to 15,517,243.50 and 33,720,420

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Solution

The third proportional to 15,517,243.50 and 33,720,420 is: 73,277,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,243.50 : 33,720,420 = 33,720,420 : x
  2. Step 2: Convert to fraction form
    15,517,243.50/33,720,420 = 33,720,420/x
  3. Step 3: Cross multiply
    15,517,243.50x = 33,720,420 × 33,720,420
  4. Step 4: Simplify right side
    15,517,243.50x = 1,137,066,724,976,400
  5. Step 5: Solve for x
    x = 1,137,066,724,976,400/15,517,243.50
  6. Step 6: Final answer
    x = 73,277,623.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.