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Finding the Third Proportional to 14,121,290 and 21,162,963

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Solution

The third proportional to 14,121,290 and 21,162,963 is: 31,716,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,290 : 21,162,963 = 21,162,963 : x
  2. Step 2: Convert to fraction form
    14,121,290/21,162,963 = 21,162,963/x
  3. Step 3: Cross multiply
    14,121,290x = 21,162,963 × 21,162,963
  4. Step 4: Simplify right side
    14,121,290x = 447,871,002,939,369
  5. Step 5: Solve for x
    x = 447,871,002,939,369/14,121,290
  6. Step 6: Final answer
    x = 31,716,011.99

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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.