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Finding the Third Proportional to 8,972,048 and 19,681,108

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Solution

The third proportional to 8,972,048 and 19,681,108 is: 43,172,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,048 : 19,681,108 = 19,681,108 : x
  2. Step 2: Convert to fraction form
    8,972,048/19,681,108 = 19,681,108/x
  3. Step 3: Cross multiply
    8,972,048x = 19,681,108 × 19,681,108
  4. Step 4: Simplify right side
    8,972,048x = 387,346,012,107,664
  5. Step 5: Solve for x
    x = 387,346,012,107,664/8,972,048
  6. Step 6: Final answer
    x = 43,172,530.07

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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.