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Finding the Third Proportional to 51,308 and 112,702

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Solution

The third proportional to 51,308 and 112,702 is: 247,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308 : 112,702 = 112,702 : x
  2. Step 2: Convert to fraction form
    51,308/112,702 = 112,702/x
  3. Step 3: Cross multiply
    51,308x = 112,702 × 112,702
  4. Step 4: Simplify right side
    51,308x = 12,701,740,804
  5. Step 5: Solve for x
    x = 12,701,740,804/51,308
  6. Step 6: Final answer
    x = 247,558.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.