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Finding the Third Proportional to 18,507,874.50 and 29,555,149.50

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Solution

The third proportional to 18,507,874.50 and 29,555,149.50 is: 47,196,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507,874.50 : 29,555,149.50 = 29,555,149.50 : x
  2. Step 2: Convert to fraction form
    18,507,874.50/29,555,149.50 = 29,555,149.50/x
  3. Step 3: Cross multiply
    18,507,874.50x = 29,555,149.50 × 29,555,149.50
  4. Step 4: Simplify right side
    18,507,874.50x = 873,506,861,967,350.25
  5. Step 5: Solve for x
    x = 873,506,861,967,350.25/18,507,874.50
  6. Step 6: Final answer
    x = 47,196,498.01

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.