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Finding the Third Proportional to 55,988 and 118,408

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Solution

The third proportional to 55,988 and 118,408 is: 250,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988 : 118,408 = 118,408 : x
  2. Step 2: Convert to fraction form
    55,988/118,408 = 118,408/x
  3. Step 3: Cross multiply
    55,988x = 118,408 × 118,408
  4. Step 4: Simplify right side
    55,988x = 14,020,454,464
  5. Step 5: Solve for x
    x = 14,020,454,464/55,988
  6. Step 6: Final answer
    x = 250,418.92

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.