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Finding the Third Proportional to 86,336 and 133,340

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Solution

The third proportional to 86,336 and 133,340 is: 205,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,336 : 133,340 = 133,340 : x
  2. Step 2: Convert to fraction form
    86,336/133,340 = 133,340/x
  3. Step 3: Cross multiply
    86,336x = 133,340 × 133,340
  4. Step 4: Simplify right side
    86,336x = 17,779,555,600
  5. Step 5: Solve for x
    x = 17,779,555,600/86,336
  6. Step 6: Final answer
    x = 205,934.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.