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Finding the Third Proportional to 305,261.72 and 448,746.75

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Solution

The third proportional to 305,261.72 and 448,746.75 is: 659,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,261.72 : 448,746.75 = 448,746.75 : x
  2. Step 2: Convert to fraction form
    305,261.72/448,746.75 = 448,746.75/x
  3. Step 3: Cross multiply
    305,261.72x = 448,746.75 × 448,746.75
  4. Step 4: Simplify right side
    305,261.72x = 201,373,645,635.56
  5. Step 5: Solve for x
    x = 201,373,645,635.56/305,261.72
  6. Step 6: Final answer
    x = 659,675.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.