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Finding the Third Proportional to 4,193,476 and 9,172,084

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Solution

The third proportional to 4,193,476 and 9,172,084 is: 20,061,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193,476 : 9,172,084 = 9,172,084 : x
  2. Step 2: Convert to fraction form
    4,193,476/9,172,084 = 9,172,084/x
  3. Step 3: Cross multiply
    4,193,476x = 9,172,084 × 9,172,084
  4. Step 4: Simplify right side
    4,193,476x = 84,127,124,903,056
  5. Step 5: Solve for x
    x = 84,127,124,903,056/4,193,476
  6. Step 6: Final answer
    x = 20,061,429.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.