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Finding the Third Proportional to 55,423.13 and 121,568.06

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Solution

The third proportional to 55,423.13 and 121,568.06 is: 266,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.13 : 121,568.06 = 121,568.06 : x
  2. Step 2: Convert to fraction form
    55,423.13/121,568.06 = 121,568.06/x
  3. Step 3: Cross multiply
    55,423.13x = 121,568.06 × 121,568.06
  4. Step 4: Simplify right side
    55,423.13x = 14,778,793,820.00
  5. Step 5: Solve for x
    x = 14,778,793,820.00/55,423.13
  6. Step 6: Final answer
    x = 266,653.93

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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.