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Finding the Third Proportional to 354,618 and 545,049

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Solution

The third proportional to 354,618 and 545,049 is: 837,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,618 : 545,049 = 545,049 : x
  2. Step 2: Convert to fraction form
    354,618/545,049 = 545,049/x
  3. Step 3: Cross multiply
    354,618x = 545,049 × 545,049
  4. Step 4: Simplify right side
    354,618x = 297,078,412,401
  5. Step 5: Solve for x
    x = 297,078,412,401/354,618
  6. Step 6: Final answer
    x = 837,742.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.