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Finding the Third Proportional to 131,656.50 and 284,008.50

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Solution

The third proportional to 131,656.50 and 284,008.50 is: 612,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,656.50 : 284,008.50 = 284,008.50 : x
  2. Step 2: Convert to fraction form
    131,656.50/284,008.50 = 284,008.50/x
  3. Step 3: Cross multiply
    131,656.50x = 284,008.50 × 284,008.50
  4. Step 4: Simplify right side
    131,656.50x = 80,660,828,072.25
  5. Step 5: Solve for x
    x = 80,660,828,072.25/131,656.50
  6. Step 6: Final answer
    x = 612,661.19

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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.