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Finding the Third Proportional to 70,370 and 103,247

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Solution

The third proportional to 70,370 and 103,247 is: 151,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370 : 103,247 = 103,247 : x
  2. Step 2: Convert to fraction form
    70,370/103,247 = 103,247/x
  3. Step 3: Cross multiply
    70,370x = 103,247 × 103,247
  4. Step 4: Simplify right side
    70,370x = 10,659,943,009
  5. Step 5: Solve for x
    x = 10,659,943,009/70,370
  6. Step 6: Final answer
    x = 151,484.20

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.