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Finding the Third Proportional to 713,221.50 and 1,538,794.50

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Solution

The third proportional to 713,221.50 and 1,538,794.50 is: 3,319,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,221.50 : 1,538,794.50 = 1,538,794.50 : x
  2. Step 2: Convert to fraction form
    713,221.50/1,538,794.50 = 1,538,794.50/x
  3. Step 3: Cross multiply
    713,221.50x = 1,538,794.50 × 1,538,794.50
  4. Step 4: Simplify right side
    713,221.50x = 2,367,888,513,230.25
  5. Step 5: Solve for x
    x = 2,367,888,513,230.25/713,221.50
  6. Step 6: Final answer
    x = 3,319,990.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.