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Finding the Third Proportional to 207,926 and 304,476

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Solution

The third proportional to 207,926 and 304,476 is: 445,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,926 : 304,476 = 304,476 : x
  2. Step 2: Convert to fraction form
    207,926/304,476 = 304,476/x
  3. Step 3: Cross multiply
    207,926x = 304,476 × 304,476
  4. Step 4: Simplify right side
    207,926x = 92,705,634,576
  5. Step 5: Solve for x
    x = 92,705,634,576/207,926
  6. Step 6: Final answer
    x = 445,858.79

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.