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Finding the Third Proportional to 55,884 and 121,590

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Solution

The third proportional to 55,884 and 121,590 is: 264,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,884 : 121,590 = 121,590 : x
  2. Step 2: Convert to fraction form
    55,884/121,590 = 121,590/x
  3. Step 3: Cross multiply
    55,884x = 121,590 × 121,590
  4. Step 4: Simplify right side
    55,884x = 14,784,128,100
  5. Step 5: Solve for x
    x = 14,784,128,100/55,884
  6. Step 6: Final answer
    x = 264,550.28

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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.