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Finding the Third Proportional to 9,058,990.50 and 13,720,422

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Solution

The third proportional to 9,058,990.50 and 13,720,422 is: 20,780,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058,990.50 : 13,720,422 = 13,720,422 : x
  2. Step 2: Convert to fraction form
    9,058,990.50/13,720,422 = 13,720,422/x
  3. Step 3: Cross multiply
    9,058,990.50x = 13,720,422 × 13,720,422
  4. Step 4: Simplify right side
    9,058,990.50x = 188,249,979,858,084
  5. Step 5: Solve for x
    x = 188,249,979,858,084/9,058,990.50
  6. Step 6: Final answer
    x = 20,780,458.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.