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Finding the Third Proportional to 18,599,470 and 39,411,536

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Solution

The third proportional to 18,599,470 and 39,411,536 is: 83,511,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599,470 : 39,411,536 = 39,411,536 : x
  2. Step 2: Convert to fraction form
    18,599,470/39,411,536 = 39,411,536/x
  3. Step 3: Cross multiply
    18,599,470x = 39,411,536 × 39,411,536
  4. Step 4: Simplify right side
    18,599,470x = 1,553,269,169,879,296
  5. Step 5: Solve for x
    x = 1,553,269,169,879,296/18,599,470
  6. Step 6: Final answer
    x = 83,511,474.78

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.