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Finding the Third Proportional to 55,818 and 79,575.75

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Solution

The third proportional to 55,818 and 79,575.75 is: 113,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818 : 79,575.75 = 79,575.75 : x
  2. Step 2: Convert to fraction form
    55,818/79,575.75 = 79,575.75/x
  3. Step 3: Cross multiply
    55,818x = 79,575.75 × 79,575.75
  4. Step 4: Simplify right side
    55,818x = 6,332,299,988.06
  5. Step 5: Solve for x
    x = 6,332,299,988.06/55,818
  6. Step 6: Final answer
    x = 113,445.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.