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Finding the Third Proportional to 18,020,586 and 37,318,672

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Solution

The third proportional to 18,020,586 and 37,318,672 is: 77,282,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020,586 : 37,318,672 = 37,318,672 : x
  2. Step 2: Convert to fraction form
    18,020,586/37,318,672 = 37,318,672/x
  3. Step 3: Cross multiply
    18,020,586x = 37,318,672 × 37,318,672
  4. Step 4: Simplify right side
    18,020,586x = 1,392,683,279,843,584
  5. Step 5: Solve for x
    x = 1,392,683,279,843,584/18,020,586
  6. Step 6: Final answer
    x = 77,282,907.44

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.