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Finding the Third Proportional to 156,644 and 348,168

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Solution

The third proportional to 156,644 and 348,168 is: 773,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,644 : 348,168 = 348,168 : x
  2. Step 2: Convert to fraction form
    156,644/348,168 = 348,168/x
  3. Step 3: Cross multiply
    156,644x = 348,168 × 348,168
  4. Step 4: Simplify right side
    156,644x = 121,220,956,224
  5. Step 5: Solve for x
    x = 121,220,956,224/156,644
  6. Step 6: Final answer
    x = 773,862.75

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.