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Finding the Third Proportional to 1,143,963 and 1,518,021

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Solution

The third proportional to 1,143,963 and 1,518,021 is: 2,014,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,963 : 1,518,021 = 1,518,021 : x
  2. Step 2: Convert to fraction form
    1,143,963/1,518,021 = 1,518,021/x
  3. Step 3: Cross multiply
    1,143,963x = 1,518,021 × 1,518,021
  4. Step 4: Simplify right side
    1,143,963x = 2,304,387,756,441
  5. Step 5: Solve for x
    x = 2,304,387,756,441/1,143,963
  6. Step 6: Final answer
    x = 2,014,390.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.