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Finding the Third Proportional to 279,408.94 and 607,433.06

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Solution

The third proportional to 279,408.94 and 607,433.06 is: 1,320,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,408.94 : 607,433.06 = 607,433.06 : x
  2. Step 2: Convert to fraction form
    279,408.94/607,433.06 = 607,433.06/x
  3. Step 3: Cross multiply
    279,408.94x = 607,433.06 × 607,433.06
  4. Step 4: Simplify right side
    279,408.94x = 368,974,925,418.13
  5. Step 5: Solve for x
    x = 368,974,925,418.13/279,408.94
  6. Step 6: Final answer
    x = 1,320,555.20

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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.