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Finding the Third Proportional to 20,008,628 and 40,724,392

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Solution

The third proportional to 20,008,628 and 40,724,392 is: 82,888,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008,628 : 40,724,392 = 40,724,392 : x
  2. Step 2: Convert to fraction form
    20,008,628/40,724,392 = 40,724,392/x
  3. Step 3: Cross multiply
    20,008,628x = 40,724,392 × 40,724,392
  4. Step 4: Simplify right side
    20,008,628x = 1,658,476,103,769,664
  5. Step 5: Solve for x
    x = 1,658,476,103,769,664/20,008,628
  6. Step 6: Final answer
    x = 82,888,047.28

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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.