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Finding the Third Proportional to 19,963,926 and 40,871,907

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Solution

The third proportional to 19,963,926 and 40,871,907 is: 83,676,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,926 : 40,871,907 = 40,871,907 : x
  2. Step 2: Convert to fraction form
    19,963,926/40,871,907 = 40,871,907/x
  3. Step 3: Cross multiply
    19,963,926x = 40,871,907 × 40,871,907
  4. Step 4: Simplify right side
    19,963,926x = 1,670,512,781,816,649
  5. Step 5: Solve for x
    x = 1,670,512,781,816,649/19,963,926
  6. Step 6: Final answer
    x = 83,676,566.51

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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.