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Finding the Third Proportional to 17,992,396 and 39,179,432

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Solution

The third proportional to 17,992,396 and 39,179,432 is: 85,315,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,396 : 39,179,432 = 39,179,432 : x
  2. Step 2: Convert to fraction form
    17,992,396/39,179,432 = 39,179,432/x
  3. Step 3: Cross multiply
    17,992,396x = 39,179,432 × 39,179,432
  4. Step 4: Simplify right side
    17,992,396x = 1,535,027,891,842,624
  5. Step 5: Solve for x
    x = 1,535,027,891,842,624/17,992,396
  6. Step 6: Final answer
    x = 85,315,368.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.