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Finding the Third Proportional to 18,020,588 and 37,318,676

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Solution

The third proportional to 18,020,588 and 37,318,676 is: 77,282,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020,588 : 37,318,676 = 37,318,676 : x
  2. Step 2: Convert to fraction form
    18,020,588/37,318,676 = 37,318,676/x
  3. Step 3: Cross multiply
    18,020,588x = 37,318,676 × 37,318,676
  4. Step 4: Simplify right side
    18,020,588x = 1,392,683,578,392,976
  5. Step 5: Solve for x
    x = 1,392,683,578,392,976/18,020,588
  6. Step 6: Final answer
    x = 77,282,915.43

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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.