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Finding the Third Proportional to 775,784.50 and 1,644,864.50

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Solution

The third proportional to 775,784.50 and 1,644,864.50 is: 3,487,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,784.50 : 1,644,864.50 = 1,644,864.50 : x
  2. Step 2: Convert to fraction form
    775,784.50/1,644,864.50 = 1,644,864.50/x
  3. Step 3: Cross multiply
    775,784.50x = 1,644,864.50 × 1,644,864.50
  4. Step 4: Simplify right side
    775,784.50x = 2,705,579,223,360.25
  5. Step 5: Solve for x
    x = 2,705,579,223,360.25/775,784.50
  6. Step 6: Final answer
    x = 3,487,539.68

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.