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Finding the Third Proportional to 342,058.50 and 529,692.75

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Solution

The third proportional to 342,058.50 and 529,692.75 is: 820,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,058.50 : 529,692.75 = 529,692.75 : x
  2. Step 2: Convert to fraction form
    342,058.50/529,692.75 = 529,692.75/x
  3. Step 3: Cross multiply
    342,058.50x = 529,692.75 × 529,692.75
  4. Step 4: Simplify right side
    342,058.50x = 280,574,409,402.56
  5. Step 5: Solve for x
    x = 280,574,409,402.56/342,058.50
  6. Step 6: Final answer
    x = 820,252.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.