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Finding the Third Proportional to 380,461 and 569,652

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Solution

The third proportional to 380,461 and 569,652 is: 852,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,461 : 569,652 = 569,652 : x
  2. Step 2: Convert to fraction form
    380,461/569,652 = 569,652/x
  3. Step 3: Cross multiply
    380,461x = 569,652 × 569,652
  4. Step 4: Simplify right side
    380,461x = 324,503,401,104
  5. Step 5: Solve for x
    x = 324,503,401,104/380,461
  6. Step 6: Final answer
    x = 852,921.59

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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.