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Finding the Third Proportional to 18,667,465 and 28,001,685

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Solution

The third proportional to 18,667,465 and 28,001,685 is: 42,003,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,465 : 28,001,685 = 28,001,685 : x
  2. Step 2: Convert to fraction form
    18,667,465/28,001,685 = 28,001,685/x
  3. Step 3: Cross multiply
    18,667,465x = 28,001,685 × 28,001,685
  4. Step 4: Simplify right side
    18,667,465x = 784,094,362,839,225
  5. Step 5: Solve for x
    x = 784,094,362,839,225/18,667,465
  6. Step 6: Final answer
    x = 42,003,258.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.