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Finding the Third Proportional to 56,412 and 87,063.75

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Solution

The third proportional to 56,412 and 87,063.75 is: 134,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412 : 87,063.75 = 87,063.75 : x
  2. Step 2: Convert to fraction form
    56,412/87,063.75 = 87,063.75/x
  3. Step 3: Cross multiply
    56,412x = 87,063.75 × 87,063.75
  4. Step 4: Simplify right side
    56,412x = 7,580,096,564.06
  5. Step 5: Solve for x
    x = 7,580,096,564.06/56,412
  6. Step 6: Final answer
    x = 134,370.29

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.