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Finding the Third Proportional to 18,480,880 and 28,729,360

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Solution

The third proportional to 18,480,880 and 28,729,360 is: 44,661,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,880 : 28,729,360 = 28,729,360 : x
  2. Step 2: Convert to fraction form
    18,480,880/28,729,360 = 28,729,360/x
  3. Step 3: Cross multiply
    18,480,880x = 28,729,360 × 28,729,360
  4. Step 4: Simplify right side
    18,480,880x = 825,376,126,009,600
  5. Step 5: Solve for x
    x = 825,376,126,009,600/18,480,880
  6. Step 6: Final answer
    x = 44,661,083.56

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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.