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Finding the Third Proportional to 343,639.50 and 755,026.50

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Solution

The third proportional to 343,639.50 and 755,026.50 is: 1,658,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,639.50 : 755,026.50 = 755,026.50 : x
  2. Step 2: Convert to fraction form
    343,639.50/755,026.50 = 755,026.50/x
  3. Step 3: Cross multiply
    343,639.50x = 755,026.50 × 755,026.50
  4. Step 4: Simplify right side
    343,639.50x = 570,065,015,702.25
  5. Step 5: Solve for x
    x = 570,065,015,702.25/343,639.50
  6. Step 6: Final answer
    x = 1,658,904.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.