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Finding the Third Proportional to 18,020,576 and 37,318,657

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Solution

The third proportional to 18,020,576 and 37,318,657 is: 77,282,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020,576 : 37,318,657 = 37,318,657 : x
  2. Step 2: Convert to fraction form
    18,020,576/37,318,657 = 37,318,657/x
  3. Step 3: Cross multiply
    18,020,576x = 37,318,657 × 37,318,657
  4. Step 4: Simplify right side
    18,020,576x = 1,392,682,160,283,649
  5. Step 5: Solve for x
    x = 1,392,682,160,283,649/18,020,576
  6. Step 6: Final answer
    x = 77,282,888.20

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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.