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Finding the Third Proportional to 19,963,929 and 40,871,913

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Solution

The third proportional to 19,963,929 and 40,871,913 is: 83,676,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,929 : 40,871,913 = 40,871,913 : x
  2. Step 2: Convert to fraction form
    19,963,929/40,871,913 = 40,871,913/x
  3. Step 3: Cross multiply
    19,963,929x = 40,871,913 × 40,871,913
  4. Step 4: Simplify right side
    19,963,929x = 1,670,513,272,279,569
  5. Step 5: Solve for x
    x = 1,670,513,272,279,569/19,963,929
  6. Step 6: Final answer
    x = 83,676,578.51

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.