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Finding the Third Proportional to 56,935 and 81,104.50

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Solution

The third proportional to 56,935 and 81,104.50 is: 115,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935 : 81,104.50 = 81,104.50 : x
  2. Step 2: Convert to fraction form
    56,935/81,104.50 = 81,104.50/x
  3. Step 3: Cross multiply
    56,935x = 81,104.50 × 81,104.50
  4. Step 4: Simplify right side
    56,935x = 6,577,939,920.25
  5. Step 5: Solve for x
    x = 6,577,939,920.25/56,935
  6. Step 6: Final answer
    x = 115,534.20

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.