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Finding the Third Proportional to 45,261 and 70,620.75

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Solution

The third proportional to 45,261 and 70,620.75 is: 110,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,261 : 70,620.75 = 70,620.75 : x
  2. Step 2: Convert to fraction form
    45,261/70,620.75 = 70,620.75/x
  3. Step 3: Cross multiply
    45,261x = 70,620.75 × 70,620.75
  4. Step 4: Simplify right side
    45,261x = 4,987,290,330.56
  5. Step 5: Solve for x
    x = 4,987,290,330.56/45,261
  6. Step 6: Final answer
    x = 110,189.57

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.