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Finding the Third Proportional to 19,315,980 and 40,934,868

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Solution

The third proportional to 19,315,980 and 40,934,868 is: 86,750,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,980 : 40,934,868 = 40,934,868 : x
  2. Step 2: Convert to fraction form
    19,315,980/40,934,868 = 40,934,868/x
  3. Step 3: Cross multiply
    19,315,980x = 40,934,868 × 40,934,868
  4. Step 4: Simplify right side
    19,315,980x = 1,675,663,418,177,424
  5. Step 5: Solve for x
    x = 1,675,663,418,177,424/19,315,980
  6. Step 6: Final answer
    x = 86,750,111.47

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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.