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Finding the Third Proportional to 18,559,908 and 28,078,741

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Solution

The third proportional to 18,559,908 and 28,078,741 is: 42,479,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559,908 : 28,078,741 = 28,078,741 : x
  2. Step 2: Convert to fraction form
    18,559,908/28,078,741 = 28,078,741/x
  3. Step 3: Cross multiply
    18,559,908x = 28,078,741 × 28,078,741
  4. Step 4: Simplify right side
    18,559,908x = 788,415,696,145,081
  5. Step 5: Solve for x
    x = 788,415,696,145,081/18,559,908
  6. Step 6: Final answer
    x = 42,479,504.54

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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.