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Finding the Third Proportional to 55,354.50 and 121,348.13

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Solution

The third proportional to 55,354.50 and 121,348.13 is: 266,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354.50 : 121,348.13 = 121,348.13 : x
  2. Step 2: Convert to fraction form
    55,354.50/121,348.13 = 121,348.13/x
  3. Step 3: Cross multiply
    55,354.50x = 121,348.13 × 121,348.13
  4. Step 4: Simplify right side
    55,354.50x = 14,725,367,441.02
  5. Step 5: Solve for x
    x = 14,725,367,441.02/55,354.50
  6. Step 6: Final answer
    x = 266,019.34

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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.