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Finding the Third Proportional to 21,285,317 and 32,885,463

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Solution

The third proportional to 21,285,317 and 32,885,463 is: 50,807,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,285,317 : 32,885,463 = 32,885,463 : x
  2. Step 2: Convert to fraction form
    21,285,317/32,885,463 = 32,885,463/x
  3. Step 3: Cross multiply
    21,285,317x = 32,885,463 × 32,885,463
  4. Step 4: Simplify right side
    21,285,317x = 1,081,453,676,724,369
  5. Step 5: Solve for x
    x = 1,081,453,676,724,369/21,285,317
  6. Step 6: Final answer
    x = 50,807,496.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.