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Finding the Third Proportional to 215,908.88 and 456,729.75

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Solution

The third proportional to 215,908.88 and 456,729.75 is: 966,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,908.88 : 456,729.75 = 456,729.75 : x
  2. Step 2: Convert to fraction form
    215,908.88/456,729.75 = 456,729.75/x
  3. Step 3: Cross multiply
    215,908.88x = 456,729.75 × 456,729.75
  4. Step 4: Simplify right side
    215,908.88x = 208,602,064,535.06
  5. Step 5: Solve for x
    x = 208,602,064,535.06/215,908.88
  6. Step 6: Final answer
    x = 966,157.90

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.