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Finding the Third Proportional to 644,937 and 1,400,313

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Solution

The third proportional to 644,937 and 1,400,313 is: 3,040,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,937 : 1,400,313 = 1,400,313 : x
  2. Step 2: Convert to fraction form
    644,937/1,400,313 = 1,400,313/x
  3. Step 3: Cross multiply
    644,937x = 1,400,313 × 1,400,313
  4. Step 4: Simplify right side
    644,937x = 1,960,876,497,969
  5. Step 5: Solve for x
    x = 1,960,876,497,969/644,937
  6. Step 6: Final answer
    x = 3,040,415.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.