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Finding the Third Proportional to 55,464 and 85,248

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Solution

The third proportional to 55,464 and 85,248 is: 131,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,464 : 85,248 = 85,248 : x
  2. Step 2: Convert to fraction form
    55,464/85,248 = 85,248/x
  3. Step 3: Cross multiply
    55,464x = 85,248 × 85,248
  4. Step 4: Simplify right side
    55,464x = 7,267,221,504
  5. Step 5: Solve for x
    x = 7,267,221,504/55,464
  6. Step 6: Final answer
    x = 131,025.92

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.