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Finding the Third Proportional to 17,990,882 and 39,481,972

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Solution

The third proportional to 17,990,882 and 39,481,972 is: 86,645,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990,882 : 39,481,972 = 39,481,972 : x
  2. Step 2: Convert to fraction form
    17,990,882/39,481,972 = 39,481,972/x
  3. Step 3: Cross multiply
    17,990,882x = 39,481,972 × 39,481,972
  4. Step 4: Simplify right side
    17,990,882x = 1,558,826,113,008,784
  5. Step 5: Solve for x
    x = 1,558,826,113,008,784/17,990,882
  6. Step 6: Final answer
    x = 86,645,341.40

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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.