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Finding the Third Proportional to 109,698.75 and 236,461.50

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Solution

The third proportional to 109,698.75 and 236,461.50 is: 509,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,698.75 : 236,461.50 = 236,461.50 : x
  2. Step 2: Convert to fraction form
    109,698.75/236,461.50 = 236,461.50/x
  3. Step 3: Cross multiply
    109,698.75x = 236,461.50 × 236,461.50
  4. Step 4: Simplify right side
    109,698.75x = 55,914,040,982.25
  5. Step 5: Solve for x
    x = 55,914,040,982.25/109,698.75
  6. Step 6: Final answer
    x = 509,705.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.