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Finding the Third Proportional to 301,383 and 409,317

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Solution

The third proportional to 301,383 and 409,317 is: 555,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,383 : 409,317 = 409,317 : x
  2. Step 2: Convert to fraction form
    301,383/409,317 = 409,317/x
  3. Step 3: Cross multiply
    301,383x = 409,317 × 409,317
  4. Step 4: Simplify right side
    301,383x = 167,540,406,489
  5. Step 5: Solve for x
    x = 167,540,406,489/301,383
  6. Step 6: Final answer
    x = 555,905.30

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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.