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Finding the Third Proportional to 267,430 and 551,808

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Solution

The third proportional to 267,430 and 551,808 is: 1,138,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,430 : 551,808 = 551,808 : x
  2. Step 2: Convert to fraction form
    267,430/551,808 = 551,808/x
  3. Step 3: Cross multiply
    267,430x = 551,808 × 551,808
  4. Step 4: Simplify right side
    267,430x = 304,492,068,864
  5. Step 5: Solve for x
    x = 304,492,068,864/267,430
  6. Step 6: Final answer
    x = 1,138,586.06

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.