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Finding the Third Proportional to 56,436 and 122,736

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Solution

The third proportional to 56,436 and 122,736 is: 266,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,436 : 122,736 = 122,736 : x
  2. Step 2: Convert to fraction form
    56,436/122,736 = 122,736/x
  3. Step 3: Cross multiply
    56,436x = 122,736 × 122,736
  4. Step 4: Simplify right side
    56,436x = 15,064,125,696
  5. Step 5: Solve for x
    x = 15,064,125,696/56,436
  6. Step 6: Final answer
    x = 266,924.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.