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Finding the Third Proportional to 18,030,015 and 36,696,689

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Solution

The third proportional to 18,030,015 and 36,696,689 is: 74,689,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030,015 : 36,696,689 = 36,696,689 : x
  2. Step 2: Convert to fraction form
    18,030,015/36,696,689 = 36,696,689/x
  3. Step 3: Cross multiply
    18,030,015x = 36,696,689 × 36,696,689
  4. Step 4: Simplify right side
    18,030,015x = 1,346,646,983,562,721
  5. Step 5: Solve for x
    x = 1,346,646,983,562,721/18,030,015
  6. Step 6: Final answer
    x = 74,689,177.11

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.