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Finding the Third Proportional to 56,253.50 and 122,371

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Solution

The third proportional to 56,253.50 and 122,371 is: 266,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,253.50 : 122,371 = 122,371 : x
  2. Step 2: Convert to fraction form
    56,253.50/122,371 = 122,371/x
  3. Step 3: Cross multiply
    56,253.50x = 122,371 × 122,371
  4. Step 4: Simplify right side
    56,253.50x = 14,974,661,641
  5. Step 5: Solve for x
    x = 14,974,661,641/56,253.50
  6. Step 6: Final answer
    x = 266,199.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.