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Finding the Third Proportional to 18,315,364 and 36,169,760

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Solution

The third proportional to 18,315,364 and 36,169,760 is: 71,429,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315,364 : 36,169,760 = 36,169,760 : x
  2. Step 2: Convert to fraction form
    18,315,364/36,169,760 = 36,169,760/x
  3. Step 3: Cross multiply
    18,315,364x = 36,169,760 × 36,169,760
  4. Step 4: Simplify right side
    18,315,364x = 1,308,251,538,457,600
  5. Step 5: Solve for x
    x = 1,308,251,538,457,600/18,315,364
  6. Step 6: Final answer
    x = 71,429,185.82

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.