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Finding the Third Proportional to 100,060.63 and 216,728.75

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Solution

The third proportional to 100,060.63 and 216,728.75 is: 469,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,060.63 : 216,728.75 = 216,728.75 : x
  2. Step 2: Convert to fraction form
    100,060.63/216,728.75 = 216,728.75/x
  3. Step 3: Cross multiply
    100,060.63x = 216,728.75 × 216,728.75
  4. Step 4: Simplify right side
    100,060.63x = 46,971,351,076.56
  5. Step 5: Solve for x
    x = 46,971,351,076.56/100,060.63
  6. Step 6: Final answer
    x = 469,428.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.