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Finding the Third Proportional to 70,803 and 155,214

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Solution

The third proportional to 70,803 and 155,214 is: 340,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,803 : 155,214 = 155,214 : x
  2. Step 2: Convert to fraction form
    70,803/155,214 = 155,214/x
  3. Step 3: Cross multiply
    70,803x = 155,214 × 155,214
  4. Step 4: Simplify right side
    70,803x = 24,091,385,796
  5. Step 5: Solve for x
    x = 24,091,385,796/70,803
  6. Step 6: Final answer
    x = 340,259.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.