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Finding the Third Proportional to 18,244,490 and 39,381,652

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Solution

The third proportional to 18,244,490 and 39,381,652 is: 85,007,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244,490 : 39,381,652 = 39,381,652 : x
  2. Step 2: Convert to fraction form
    18,244,490/39,381,652 = 39,381,652/x
  3. Step 3: Cross multiply
    18,244,490x = 39,381,652 × 39,381,652
  4. Step 4: Simplify right side
    18,244,490x = 1,550,914,514,249,104
  5. Step 5: Solve for x
    x = 1,550,914,514,249,104/18,244,490
  6. Step 6: Final answer
    x = 85,007,282.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.