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Finding the Third Proportional to 1,128,188.25 and 2,413,840.50

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Solution

The third proportional to 1,128,188.25 and 2,413,840.50 is: 5,164,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,188.25 : 2,413,840.50 = 2,413,840.50 : x
  2. Step 2: Convert to fraction form
    1,128,188.25/2,413,840.50 = 2,413,840.50/x
  3. Step 3: Cross multiply
    1,128,188.25x = 2,413,840.50 × 2,413,840.50
  4. Step 4: Simplify right side
    1,128,188.25x = 5,826,625,959,440.25
  5. Step 5: Solve for x
    x = 5,826,625,959,440.25/1,128,188.25
  6. Step 6: Final answer
    x = 5,164,586.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.