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Finding the Third Proportional to 18,257,374.50 and 28,255,275

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Solution

The third proportional to 18,257,374.50 and 28,255,275 is: 43,728,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,374.50 : 28,255,275 = 28,255,275 : x
  2. Step 2: Convert to fraction form
    18,257,374.50/28,255,275 = 28,255,275/x
  3. Step 3: Cross multiply
    18,257,374.50x = 28,255,275 × 28,255,275
  4. Step 4: Simplify right side
    18,257,374.50x = 798,360,565,325,625
  5. Step 5: Solve for x
    x = 798,360,565,325,625/18,257,374.50
  6. Step 6: Final answer
    x = 43,728,114.65

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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.