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Finding the Third Proportional to 135,246 and 210,236

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Solution

The third proportional to 135,246 and 210,236 is: 326,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,246 : 210,236 = 210,236 : x
  2. Step 2: Convert to fraction form
    135,246/210,236 = 210,236/x
  3. Step 3: Cross multiply
    135,246x = 210,236 × 210,236
  4. Step 4: Simplify right side
    135,246x = 44,199,175,696
  5. Step 5: Solve for x
    x = 44,199,175,696/135,246
  6. Step 6: Final answer
    x = 326,805.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.