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Finding the Third Proportional to 163,439 and 245,151

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Solution

The third proportional to 163,439 and 245,151 is: 367,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,439 : 245,151 = 245,151 : x
  2. Step 2: Convert to fraction form
    163,439/245,151 = 245,151/x
  3. Step 3: Cross multiply
    163,439x = 245,151 × 245,151
  4. Step 4: Simplify right side
    163,439x = 60,099,012,801
  5. Step 5: Solve for x
    x = 60,099,012,801/163,439
  6. Step 6: Final answer
    x = 367,715.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.