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Finding the Third Proportional to 46,390 and 100,170

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Solution

The third proportional to 46,390 and 100,170 is: 216,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,390 : 100,170 = 100,170 : x
  2. Step 2: Convert to fraction form
    46,390/100,170 = 100,170/x
  3. Step 3: Cross multiply
    46,390x = 100,170 × 100,170
  4. Step 4: Simplify right side
    46,390x = 10,034,028,900
  5. Step 5: Solve for x
    x = 10,034,028,900/46,390
  6. Step 6: Final answer
    x = 216,297.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.