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Finding the Third Proportional to 367,030 and 561,517

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Solution

The third proportional to 367,030 and 561,517 is: 859,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,030 : 561,517 = 561,517 : x
  2. Step 2: Convert to fraction form
    367,030/561,517 = 561,517/x
  3. Step 3: Cross multiply
    367,030x = 561,517 × 561,517
  4. Step 4: Simplify right side
    367,030x = 315,301,341,289
  5. Step 5: Solve for x
    x = 315,301,341,289/367,030
  6. Step 6: Final answer
    x = 859,061.50

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.