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Finding the Third Proportional to 256,224 and 374,460

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Solution

The third proportional to 256,224 and 374,460 is: 547,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,224 : 374,460 = 374,460 : x
  2. Step 2: Convert to fraction form
    256,224/374,460 = 374,460/x
  3. Step 3: Cross multiply
    256,224x = 374,460 × 374,460
  4. Step 4: Simplify right side
    256,224x = 140,220,291,600
  5. Step 5: Solve for x
    x = 140,220,291,600/256,224
  6. Step 6: Final answer
    x = 547,256.66

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.