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Finding the Third Proportional to 86,152 and 126,392

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Solution

The third proportional to 86,152 and 126,392 is: 185,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152 : 126,392 = 126,392 : x
  2. Step 2: Convert to fraction form
    86,152/126,392 = 126,392/x
  3. Step 3: Cross multiply
    86,152x = 126,392 × 126,392
  4. Step 4: Simplify right side
    86,152x = 15,974,937,664
  5. Step 5: Solve for x
    x = 15,974,937,664/86,152
  6. Step 6: Final answer
    x = 185,427.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.