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Finding the Third Proportional to 379,160 and 569,712

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Solution

The third proportional to 379,160 and 569,712 is: 856,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,160 : 569,712 = 569,712 : x
  2. Step 2: Convert to fraction form
    379,160/569,712 = 569,712/x
  3. Step 3: Cross multiply
    379,160x = 569,712 × 569,712
  4. Step 4: Simplify right side
    379,160x = 324,571,762,944
  5. Step 5: Solve for x
    x = 324,571,762,944/379,160
  6. Step 6: Final answer
    x = 856,028.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.