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Finding the Third Proportional to 18,559,889.44 and 28,078,713.91

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Solution

The third proportional to 18,559,889.44 and 28,078,713.91 is: 42,479,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559,889.44 : 28,078,713.91 = 28,078,713.91 : x
  2. Step 2: Convert to fraction form
    18,559,889.44/28,078,713.91 = 28,078,713.91/x
  3. Step 3: Cross multiply
    18,559,889.44x = 28,078,713.91 × 28,078,713.91
  4. Step 4: Simplify right side
    18,559,889.44x = 788,414,175,067,739
  5. Step 5: Solve for x
    x = 788,414,175,067,739/18,559,889.44
  6. Step 6: Final answer
    x = 42,479,465.07

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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.