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Finding the Third Proportional to 19,872,784 and 40,476,384

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Solution

The third proportional to 19,872,784 and 40,476,384 is: 82,441,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,784 : 40,476,384 = 40,476,384 : x
  2. Step 2: Convert to fraction form
    19,872,784/40,476,384 = 40,476,384/x
  3. Step 3: Cross multiply
    19,872,784x = 40,476,384 × 40,476,384
  4. Step 4: Simplify right side
    19,872,784x = 1,638,337,661,715,456
  5. Step 5: Solve for x
    x = 1,638,337,661,715,456/19,872,784
  6. Step 6: Final answer
    x = 82,441,275.55

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.