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Finding the Third Proportional to 1,287,775.13 and 2,796,973.88

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Solution

The third proportional to 1,287,775.13 and 2,796,973.88 is: 6,074,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,775.13 : 2,796,973.88 = 2,796,973.88 : x
  2. Step 2: Convert to fraction form
    1,287,775.13/2,796,973.88 = 2,796,973.88/x
  3. Step 3: Cross multiply
    1,287,775.13x = 2,796,973.88 × 2,796,973.88
  4. Step 4: Simplify right side
    1,287,775.13x = 7,823,062,857,432.52
  5. Step 5: Solve for x
    x = 7,823,062,857,432.52/1,287,775.13
  6. Step 6: Final answer
    x = 6,074,867.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.