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Finding the Third Proportional to 170,709 and 263,763

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Solution

The third proportional to 170,709 and 263,763 is: 407,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,709 : 263,763 = 263,763 : x
  2. Step 2: Convert to fraction form
    170,709/263,763 = 263,763/x
  3. Step 3: Cross multiply
    170,709x = 263,763 × 263,763
  4. Step 4: Simplify right side
    170,709x = 69,570,920,169
  5. Step 5: Solve for x
    x = 69,570,920,169/170,709
  6. Step 6: Final answer
    x = 407,541.02

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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.