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Finding the Third Proportional to 103,633.25 and 221,486.50

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Solution

The third proportional to 103,633.25 and 221,486.50 is: 473,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.25 : 221,486.50 = 221,486.50 : x
  2. Step 2: Convert to fraction form
    103,633.25/221,486.50 = 221,486.50/x
  3. Step 3: Cross multiply
    103,633.25x = 221,486.50 × 221,486.50
  4. Step 4: Simplify right side
    103,633.25x = 49,056,269,682.25
  5. Step 5: Solve for x
    x = 49,056,269,682.25/103,633.25
  6. Step 6: Final answer
    x = 473,364.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.