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Finding the Third Proportional to 53,196.75 and 129,984.75

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Solution

The third proportional to 53,196.75 and 129,984.75 is: 317,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,196.75 : 129,984.75 = 129,984.75 : x
  2. Step 2: Convert to fraction form
    53,196.75/129,984.75 = 129,984.75/x
  3. Step 3: Cross multiply
    53,196.75x = 129,984.75 × 129,984.75
  4. Step 4: Simplify right side
    53,196.75x = 16,896,035,232.56
  5. Step 5: Solve for x
    x = 16,896,035,232.56/53,196.75
  6. Step 6: Final answer
    x = 317,614.05

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Why These Related Problems?

These problems maintain the same ratio (2.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.