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Finding the Third Proportional to 4,238,703 and 8,700,453

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Solution

The third proportional to 4,238,703 and 8,700,453 is: 17,858,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238,703 : 8,700,453 = 8,700,453 : x
  2. Step 2: Convert to fraction form
    4,238,703/8,700,453 = 8,700,453/x
  3. Step 3: Cross multiply
    4,238,703x = 8,700,453 × 8,700,453
  4. Step 4: Simplify right side
    4,238,703x = 75,697,882,405,209
  5. Step 5: Solve for x
    x = 75,697,882,405,209/4,238,703
  6. Step 6: Final answer
    x = 17,858,737.07

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.