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Finding the Third Proportional to 36,486.75 and 78,602.25

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Solution

The third proportional to 36,486.75 and 78,602.25 is: 169,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.75 : 78,602.25 = 78,602.25 : x
  2. Step 2: Convert to fraction form
    36,486.75/78,602.25 = 78,602.25/x
  3. Step 3: Cross multiply
    36,486.75x = 78,602.25 × 78,602.25
  4. Step 4: Simplify right side
    36,486.75x = 6,178,313,705.06
  5. Step 5: Solve for x
    x = 6,178,313,705.06/36,486.75
  6. Step 6: Final answer
    x = 169,330.34

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Why These Related Problems?

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