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Finding the Third Proportional to 40,931 and 88,159

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Solution

The third proportional to 40,931 and 88,159 is: 189,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931 : 88,159 = 88,159 : x
  2. Step 2: Convert to fraction form
    40,931/88,159 = 88,159/x
  3. Step 3: Cross multiply
    40,931x = 88,159 × 88,159
  4. Step 4: Simplify right side
    40,931x = 7,772,009,281
  5. Step 5: Solve for x
    x = 7,772,009,281/40,931
  6. Step 6: Final answer
    x = 189,880.76

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.