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Finding the Third Proportional to 13,253,330.25 and 20,509,850.25

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Solution

The third proportional to 13,253,330.25 and 20,509,850.25 is: 31,739,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,330.25 : 20,509,850.25 = 20,509,850.25 : x
  2. Step 2: Convert to fraction form
    13,253,330.25/20,509,850.25 = 20,509,850.25/x
  3. Step 3: Cross multiply
    13,253,330.25x = 20,509,850.25 × 20,509,850.25
  4. Step 4: Simplify right side
    13,253,330.25x = 420,653,957,277,425.06
  5. Step 5: Solve for x
    x = 420,653,957,277,425.06/13,253,330.25
  6. Step 6: Final answer
    x = 31,739,491.08

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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.