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Finding the Third Proportional to 279,386 and 603,412

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Solution

The third proportional to 279,386 and 603,412 is: 1,303,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,386 : 603,412 = 603,412 : x
  2. Step 2: Convert to fraction form
    279,386/603,412 = 603,412/x
  3. Step 3: Cross multiply
    279,386x = 603,412 × 603,412
  4. Step 4: Simplify right side
    279,386x = 364,106,041,744
  5. Step 5: Solve for x
    x = 364,106,041,744/279,386
  6. Step 6: Final answer
    x = 1,303,236.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.