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Finding the Third Proportional to 48,140 and 105,580

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Solution

The third proportional to 48,140 and 105,580 is: 231,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,140 : 105,580 = 105,580 : x
  2. Step 2: Convert to fraction form
    48,140/105,580 = 105,580/x
  3. Step 3: Cross multiply
    48,140x = 105,580 × 105,580
  4. Step 4: Simplify right side
    48,140x = 11,147,136,400
  5. Step 5: Solve for x
    x = 11,147,136,400/48,140
  6. Step 6: Final answer
    x = 231,556.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.