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Finding the Third Proportional to 46,474 and 70,145

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Solution

The third proportional to 46,474 and 70,145 is: 105,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,474 : 70,145 = 70,145 : x
  2. Step 2: Convert to fraction form
    46,474/70,145 = 70,145/x
  3. Step 3: Cross multiply
    46,474x = 70,145 × 70,145
  4. Step 4: Simplify right side
    46,474x = 4,920,321,025
  5. Step 5: Solve for x
    x = 4,920,321,025/46,474
  6. Step 6: Final answer
    x = 105,872.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.