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Finding the Third Proportional to 30,764.75 and 72,435.75

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Solution

The third proportional to 30,764.75 and 72,435.75 is: 170,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.75 : 72,435.75 = 72,435.75 : x
  2. Step 2: Convert to fraction form
    30,764.75/72,435.75 = 72,435.75/x
  3. Step 3: Cross multiply
    30,764.75x = 72,435.75 × 72,435.75
  4. Step 4: Simplify right side
    30,764.75x = 5,246,937,878.06
  5. Step 5: Solve for x
    x = 5,246,937,878.06/30,764.75
  6. Step 6: Final answer
    x = 170,550.32

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.