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Finding the Third Proportional to 135,135 and 207,283

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Solution

The third proportional to 135,135 and 207,283 is: 317,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,135 : 207,283 = 207,283 : x
  2. Step 2: Convert to fraction form
    135,135/207,283 = 207,283/x
  3. Step 3: Cross multiply
    135,135x = 207,283 × 207,283
  4. Step 4: Simplify right side
    135,135x = 42,966,242,089
  5. Step 5: Solve for x
    x = 42,966,242,089/135,135
  6. Step 6: Final answer
    x = 317,950.51

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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.