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Finding the Third Proportional to 135,014 and 312,566

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Solution

The third proportional to 135,014 and 312,566 is: 723,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,014 : 312,566 = 312,566 : x
  2. Step 2: Convert to fraction form
    135,014/312,566 = 312,566/x
  3. Step 3: Cross multiply
    135,014x = 312,566 × 312,566
  4. Step 4: Simplify right side
    135,014x = 97,697,504,356
  5. Step 5: Solve for x
    x = 97,697,504,356/135,014
  6. Step 6: Final answer
    x = 723,610.18

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.