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Finding the Third Proportional to 21,827,385 and 36,376,789.50

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Solution

The third proportional to 21,827,385 and 36,376,789.50 is: 60,624,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,385 : 36,376,789.50 = 36,376,789.50 : x
  2. Step 2: Convert to fraction form
    21,827,385/36,376,789.50 = 36,376,789.50/x
  3. Step 3: Cross multiply
    21,827,385x = 36,376,789.50 × 36,376,789.50
  4. Step 4: Simplify right side
    21,827,385x = 1,323,270,814,327,310.25
  5. Step 5: Solve for x
    x = 1,323,270,814,327,310.25/21,827,385
  6. Step 6: Final answer
    x = 60,624,340.22

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.