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Finding the Third Proportional to 55,482.38 and 121,346.63

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Solution

The third proportional to 55,482.38 and 121,346.63 is: 265,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.38 : 121,346.63 = 121,346.63 : x
  2. Step 2: Convert to fraction form
    55,482.38/121,346.63 = 121,346.63/x
  3. Step 3: Cross multiply
    55,482.38x = 121,346.63 × 121,346.63
  4. Step 4: Simplify right side
    55,482.38x = 14,725,003,398.89
  5. Step 5: Solve for x
    x = 14,725,003,398.89/55,482.38
  6. Step 6: Final answer
    x = 265,399.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.