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Finding the Third Proportional to 12,500,764 and 18,784,430

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Solution

The third proportional to 12,500,764 and 18,784,430 is: 28,226,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,764 : 18,784,430 = 18,784,430 : x
  2. Step 2: Convert to fraction form
    12,500,764/18,784,430 = 18,784,430/x
  3. Step 3: Cross multiply
    12,500,764x = 18,784,430 × 18,784,430
  4. Step 4: Simplify right side
    12,500,764x = 352,854,810,424,900
  5. Step 5: Solve for x
    x = 352,854,810,424,900/12,500,764
  6. Step 6: Final answer
    x = 28,226,659.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.