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Finding the Third Proportional to 45,285.75 and 70,377.75

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Solution

The third proportional to 45,285.75 and 70,377.75 is: 109,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.75 : 70,377.75 = 70,377.75 : x
  2. Step 2: Convert to fraction form
    45,285.75/70,377.75 = 70,377.75/x
  3. Step 3: Cross multiply
    45,285.75x = 70,377.75 × 70,377.75
  4. Step 4: Simplify right side
    45,285.75x = 4,953,027,695.06
  5. Step 5: Solve for x
    x = 4,953,027,695.06/45,285.75
  6. Step 6: Final answer
    x = 109,372.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.