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Finding the Third Proportional to 302,172.75 and 658,284.75

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Solution

The third proportional to 302,172.75 and 658,284.75 is: 1,434,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,172.75 : 658,284.75 = 658,284.75 : x
  2. Step 2: Convert to fraction form
    302,172.75/658,284.75 = 658,284.75/x
  3. Step 3: Cross multiply
    302,172.75x = 658,284.75 × 658,284.75
  4. Step 4: Simplify right side
    302,172.75x = 433,338,812,082.56
  5. Step 5: Solve for x
    x = 433,338,812,082.56/302,172.75
  6. Step 6: Final answer
    x = 1,434,076.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.