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Finding the Third Proportional to 48,720 and 105,211.50

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Solution

The third proportional to 48,720 and 105,211.50 is: 227,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,720 : 105,211.50 = 105,211.50 : x
  2. Step 2: Convert to fraction form
    48,720/105,211.50 = 105,211.50/x
  3. Step 3: Cross multiply
    48,720x = 105,211.50 × 105,211.50
  4. Step 4: Simplify right side
    48,720x = 11,069,459,732.25
  5. Step 5: Solve for x
    x = 11,069,459,732.25/48,720
  6. Step 6: Final answer
    x = 227,205.66

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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.