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Finding the Third Proportional to 71,428 and 150,808

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Solution

The third proportional to 71,428 and 150,808 is: 318,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,428 : 150,808 = 150,808 : x
  2. Step 2: Convert to fraction form
    71,428/150,808 = 150,808/x
  3. Step 3: Cross multiply
    71,428x = 150,808 × 150,808
  4. Step 4: Simplify right side
    71,428x = 22,743,052,864
  5. Step 5: Solve for x
    x = 22,743,052,864/71,428
  6. Step 6: Final answer
    x = 318,405.29

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.