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Finding the Third Proportional to 65,479.50 and 141,392.25

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Solution

The third proportional to 65,479.50 and 141,392.25 is: 305,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,479.50 : 141,392.25 = 141,392.25 : x
  2. Step 2: Convert to fraction form
    65,479.50/141,392.25 = 141,392.25/x
  3. Step 3: Cross multiply
    65,479.50x = 141,392.25 × 141,392.25
  4. Step 4: Simplify right side
    65,479.50x = 19,991,768,360.06
  5. Step 5: Solve for x
    x = 19,991,768,360.06/65,479.50
  6. Step 6: Final answer
    x = 305,313.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.