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Finding the Third Proportional to 20,117,572 and 41,164,808

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Solution

The third proportional to 20,117,572 and 41,164,808 is: 84,231,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,572 : 41,164,808 = 41,164,808 : x
  2. Step 2: Convert to fraction form
    20,117,572/41,164,808 = 41,164,808/x
  3. Step 3: Cross multiply
    20,117,572x = 41,164,808 × 41,164,808
  4. Step 4: Simplify right side
    20,117,572x = 1,694,541,417,676,864
  5. Step 5: Solve for x
    x = 1,694,541,417,676,864/20,117,572
  6. Step 6: Final answer
    x = 84,231,905.21

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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.