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Finding the Third Proportional to 8,971,920 and 19,219,592

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Solution

The third proportional to 8,971,920 and 19,219,592 is: 41,172,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,920 : 19,219,592 = 19,219,592 : x
  2. Step 2: Convert to fraction form
    8,971,920/19,219,592 = 19,219,592/x
  3. Step 3: Cross multiply
    8,971,920x = 19,219,592 × 19,219,592
  4. Step 4: Simplify right side
    8,971,920x = 369,392,716,646,464
  5. Step 5: Solve for x
    x = 369,392,716,646,464/8,971,920
  6. Step 6: Final answer
    x = 41,172,092.11

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.