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Finding the Third Proportional to 18,551,647.50 and 28,887,585.75

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Solution

The third proportional to 18,551,647.50 and 28,887,585.75 is: 44,982,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,647.50 : 28,887,585.75 = 28,887,585.75 : x
  2. Step 2: Convert to fraction form
    18,551,647.50/28,887,585.75 = 28,887,585.75/x
  3. Step 3: Cross multiply
    18,551,647.50x = 28,887,585.75 × 28,887,585.75
  4. Step 4: Simplify right side
    18,551,647.50x = 834,492,610,463,603
  5. Step 5: Solve for x
    x = 834,492,610,463,603/18,551,647.50
  6. Step 6: Final answer
    x = 44,982,129.51

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.