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Finding the Third Proportional to 55,994 and 87,400.50

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Solution

The third proportional to 55,994 and 87,400.50 is: 136,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,994 : 87,400.50 = 87,400.50 : x
  2. Step 2: Convert to fraction form
    55,994/87,400.50 = 87,400.50/x
  3. Step 3: Cross multiply
    55,994x = 87,400.50 × 87,400.50
  4. Step 4: Simplify right side
    55,994x = 7,638,847,400.25
  5. Step 5: Solve for x
    x = 7,638,847,400.25/55,994
  6. Step 6: Final answer
    x = 136,422.61

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.