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Finding the Third Proportional to 18,285,068.50 and 39,321,977

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Solution

The third proportional to 18,285,068.50 and 39,321,977 is: 84,561,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285,068.50 : 39,321,977 = 39,321,977 : x
  2. Step 2: Convert to fraction form
    18,285,068.50/39,321,977 = 39,321,977/x
  3. Step 3: Cross multiply
    18,285,068.50x = 39,321,977 × 39,321,977
  4. Step 4: Simplify right side
    18,285,068.50x = 1,546,217,875,188,529
  5. Step 5: Solve for x
    x = 1,546,217,875,188,529/18,285,068.50
  6. Step 6: Final answer
    x = 84,561,776.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.