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Finding the Third Proportional to 55,868.63 and 121,777.88

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Solution

The third proportional to 55,868.63 and 121,777.88 is: 265,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.63 : 121,777.88 = 121,777.88 : x
  2. Step 2: Convert to fraction form
    55,868.63/121,777.88 = 121,777.88/x
  3. Step 3: Cross multiply
    55,868.63x = 121,777.88 × 121,777.88
  4. Step 4: Simplify right side
    55,868.63x = 14,829,850,839.52
  5. Step 5: Solve for x
    x = 14,829,850,839.52/55,868.63
  6. Step 6: Final answer
    x = 265,441.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.