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Finding the Third Proportional to 4,486,351.50 and 9,729,891

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Solution

The third proportional to 4,486,351.50 and 9,729,891 is: 21,101,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,351.50 : 9,729,891 = 9,729,891 : x
  2. Step 2: Convert to fraction form
    4,486,351.50/9,729,891 = 9,729,891/x
  3. Step 3: Cross multiply
    4,486,351.50x = 9,729,891 × 9,729,891
  4. Step 4: Simplify right side
    4,486,351.50x = 94,670,778,871,881
  5. Step 5: Solve for x
    x = 94,670,778,871,881/4,486,351.50
  6. Step 6: Final answer
    x = 21,101,953.08

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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.