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Finding the Third Proportional to 19,315,942 and 40,934,796

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Solution

The third proportional to 19,315,942 and 40,934,796 is: 86,749,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,942 : 40,934,796 = 40,934,796 : x
  2. Step 2: Convert to fraction form
    19,315,942/40,934,796 = 40,934,796/x
  3. Step 3: Cross multiply
    19,315,942x = 40,934,796 × 40,934,796
  4. Step 4: Simplify right side
    19,315,942x = 1,675,657,523,561,616
  5. Step 5: Solve for x
    x = 1,675,657,523,561,616/19,315,942
  6. Step 6: Final answer
    x = 86,749,976.97

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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.