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Finding the Third Proportional to 56,587.50 and 121,941

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Solution

The third proportional to 56,587.50 and 121,941 is: 262,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.50 : 121,941 = 121,941 : x
  2. Step 2: Convert to fraction form
    56,587.50/121,941 = 121,941/x
  3. Step 3: Cross multiply
    56,587.50x = 121,941 × 121,941
  4. Step 4: Simplify right side
    56,587.50x = 14,869,607,481
  5. Step 5: Solve for x
    x = 14,869,607,481/56,587.50
  6. Step 6: Final answer
    x = 262,771.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.