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Finding the Third Proportional to 138,008 and 295,690

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Solution

The third proportional to 138,008 and 295,690 is: 633,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,008 : 295,690 = 295,690 : x
  2. Step 2: Convert to fraction form
    138,008/295,690 = 295,690/x
  3. Step 3: Cross multiply
    138,008x = 295,690 × 295,690
  4. Step 4: Simplify right side
    138,008x = 87,432,576,100
  5. Step 5: Solve for x
    x = 87,432,576,100/138,008
  6. Step 6: Final answer
    x = 633,532.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.