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Finding the Third Proportional to 1,582,712.16 and 3,221,359.88

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Solution

The third proportional to 1,582,712.16 and 3,221,359.88 is: 6,556,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,712.16 : 3,221,359.88 = 3,221,359.88 : x
  2. Step 2: Convert to fraction form
    1,582,712.16/3,221,359.88 = 3,221,359.88/x
  3. Step 3: Cross multiply
    1,582,712.16x = 3,221,359.88 × 3,221,359.88
  4. Step 4: Simplify right side
    1,582,712.16x = 10,377,159,444,260.02
  5. Step 5: Solve for x
    x = 10,377,159,444,260.02/1,582,712.16
  6. Step 6: Final answer
    x = 6,556,567.73

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.