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Finding the Third Proportional to 349,690.50 and 531,366.75

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Solution

The third proportional to 349,690.50 and 531,366.75 is: 807,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,690.50 : 531,366.75 = 531,366.75 : x
  2. Step 2: Convert to fraction form
    349,690.50/531,366.75 = 531,366.75/x
  3. Step 3: Cross multiply
    349,690.50x = 531,366.75 × 531,366.75
  4. Step 4: Simplify right side
    349,690.50x = 282,350,623,005.56
  5. Step 5: Solve for x
    x = 282,350,623,005.56/349,690.50
  6. Step 6: Final answer
    x = 807,430.06

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.