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Finding the Third Proportional to 18,893,496 and 39,464,340

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Solution

The third proportional to 18,893,496 and 39,464,340 is: 82,432,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,496 : 39,464,340 = 39,464,340 : x
  2. Step 2: Convert to fraction form
    18,893,496/39,464,340 = 39,464,340/x
  3. Step 3: Cross multiply
    18,893,496x = 39,464,340 × 39,464,340
  4. Step 4: Simplify right side
    18,893,496x = 1,557,434,131,635,600
  5. Step 5: Solve for x
    x = 1,557,434,131,635,600/18,893,496
  6. Step 6: Final answer
    x = 82,432,289.48

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.