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Finding the Third Proportional to 76,248 and 157,692

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Solution

The third proportional to 76,248 and 157,692 is: 326,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,248 : 157,692 = 157,692 : x
  2. Step 2: Convert to fraction form
    76,248/157,692 = 157,692/x
  3. Step 3: Cross multiply
    76,248x = 157,692 × 157,692
  4. Step 4: Simplify right side
    76,248x = 24,866,766,864
  5. Step 5: Solve for x
    x = 24,866,766,864/76,248
  6. Step 6: Final answer
    x = 326,130.09

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.