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Finding the Third Proportional to 603,018 and 818,959

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Solution

The third proportional to 603,018 and 818,959 is: 1,112,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,018 : 818,959 = 818,959 : x
  2. Step 2: Convert to fraction form
    603,018/818,959 = 818,959/x
  3. Step 3: Cross multiply
    603,018x = 818,959 × 818,959
  4. Step 4: Simplify right side
    603,018x = 670,693,843,681
  5. Step 5: Solve for x
    x = 670,693,843,681/603,018
  6. Step 6: Final answer
    x = 1,112,228.56

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.