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Finding the Third Proportional to 343,509.75 and 533,821.50

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Solution

The third proportional to 343,509.75 and 533,821.50 is: 829,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,509.75 : 533,821.50 = 533,821.50 : x
  2. Step 2: Convert to fraction form
    343,509.75/533,821.50 = 533,821.50/x
  3. Step 3: Cross multiply
    343,509.75x = 533,821.50 × 533,821.50
  4. Step 4: Simplify right side
    343,509.75x = 284,965,393,862.25
  5. Step 5: Solve for x
    x = 284,965,393,862.25/343,509.75
  6. Step 6: Final answer
    x = 829,570.03

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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.