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Finding the Third Proportional to 423,076.50 and 929,866.50

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Solution

The third proportional to 423,076.50 and 929,866.50 is: 2,043,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,076.50 : 929,866.50 = 929,866.50 : x
  2. Step 2: Convert to fraction form
    423,076.50/929,866.50 = 929,866.50/x
  3. Step 3: Cross multiply
    423,076.50x = 929,866.50 × 929,866.50
  4. Step 4: Simplify right side
    423,076.50x = 864,651,707,822.25
  5. Step 5: Solve for x
    x = 864,651,707,822.25/423,076.50
  6. Step 6: Final answer
    x = 2,043,724.26

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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.