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Finding the Third Proportional to 8,891,049.75 and 13,406,640

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Solution

The third proportional to 8,891,049.75 and 13,406,640 is: 20,215,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891,049.75 : 13,406,640 = 13,406,640 : x
  2. Step 2: Convert to fraction form
    8,891,049.75/13,406,640 = 13,406,640/x
  3. Step 3: Cross multiply
    8,891,049.75x = 13,406,640 × 13,406,640
  4. Step 4: Simplify right side
    8,891,049.75x = 179,737,996,089,600
  5. Step 5: Solve for x
    x = 179,737,996,089,600/8,891,049.75
  6. Step 6: Final answer
    x = 20,215,610.21

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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.