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Finding the Third Proportional to 125,428.50 and 270,297

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Solution

The third proportional to 125,428.50 and 270,297 is: 582,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,428.50 : 270,297 = 270,297 : x
  2. Step 2: Convert to fraction form
    125,428.50/270,297 = 270,297/x
  3. Step 3: Cross multiply
    125,428.50x = 270,297 × 270,297
  4. Step 4: Simplify right side
    125,428.50x = 73,060,468,209
  5. Step 5: Solve for x
    x = 73,060,468,209/125,428.50
  6. Step 6: Final answer
    x = 582,486.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.