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Finding the Third Proportional to 8,376,328 and 12,808,100

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Solution

The third proportional to 8,376,328 and 12,808,100 is: 19,584,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376,328 : 12,808,100 = 12,808,100 : x
  2. Step 2: Convert to fraction form
    8,376,328/12,808,100 = 12,808,100/x
  3. Step 3: Cross multiply
    8,376,328x = 12,808,100 × 12,808,100
  4. Step 4: Simplify right side
    8,376,328x = 164,047,425,610,000
  5. Step 5: Solve for x
    x = 164,047,425,610,000/8,376,328
  6. Step 6: Final answer
    x = 19,584,646.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.