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Finding the Third Proportional to 38,631,883 and 81,869,588

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Solution

The third proportional to 38,631,883 and 81,869,588 is: 173,499,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,883 : 81,869,588 = 81,869,588 : x
  2. Step 2: Convert to fraction form
    38,631,883/81,869,588 = 81,869,588/x
  3. Step 3: Cross multiply
    38,631,883x = 81,869,588 × 81,869,588
  4. Step 4: Simplify right side
    38,631,883x = 6,702,629,439,289,744
  5. Step 5: Solve for x
    x = 6,702,629,439,289,744/38,631,883
  6. Step 6: Final answer
    x = 173,499,941.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.