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Finding the Third Proportional to 356,125.50 and 751,981.50

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Solution

The third proportional to 356,125.50 and 751,981.50 is: 1,587,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,125.50 : 751,981.50 = 751,981.50 : x
  2. Step 2: Convert to fraction form
    356,125.50/751,981.50 = 751,981.50/x
  3. Step 3: Cross multiply
    356,125.50x = 751,981.50 × 751,981.50
  4. Step 4: Simplify right side
    356,125.50x = 565,476,176,342.25
  5. Step 5: Solve for x
    x = 565,476,176,342.25/356,125.50
  6. Step 6: Final answer
    x = 1,587,856.46

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.