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Finding the Third Proportional to 100,674.50 and 216,777.50

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Solution

The third proportional to 100,674.50 and 216,777.50 is: 466,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,674.50 : 216,777.50 = 216,777.50 : x
  2. Step 2: Convert to fraction form
    100,674.50/216,777.50 = 216,777.50/x
  3. Step 3: Cross multiply
    100,674.50x = 216,777.50 × 216,777.50
  4. Step 4: Simplify right side
    100,674.50x = 46,992,484,506.25
  5. Step 5: Solve for x
    x = 46,992,484,506.25/100,674.50
  6. Step 6: Final answer
    x = 466,776.44

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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.