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Finding the Third Proportional to 76,088 and 113,712

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Solution

The third proportional to 76,088 and 113,712 is: 169,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,088 : 113,712 = 113,712 : x
  2. Step 2: Convert to fraction form
    76,088/113,712 = 113,712/x
  3. Step 3: Cross multiply
    76,088x = 113,712 × 113,712
  4. Step 4: Simplify right side
    76,088x = 12,930,418,944
  5. Step 5: Solve for x
    x = 12,930,418,944/76,088
  6. Step 6: Final answer
    x = 169,940.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.