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Finding the Third Proportional to 18,736,320 and 41,780,716

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Solution

The third proportional to 18,736,320 and 41,780,716 is: 93,168,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736,320 : 41,780,716 = 41,780,716 : x
  2. Step 2: Convert to fraction form
    18,736,320/41,780,716 = 41,780,716/x
  3. Step 3: Cross multiply
    18,736,320x = 41,780,716 × 41,780,716
  4. Step 4: Simplify right side
    18,736,320x = 1,745,628,229,472,656
  5. Step 5: Solve for x
    x = 1,745,628,229,472,656/18,736,320
  6. Step 6: Final answer
    x = 93,168,147.72

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.