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Finding the Third Proportional to 2,587,798.13 and 3,917,964.94

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Solution

The third proportional to 2,587,798.13 and 3,917,964.94 is: 5,931,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,798.13 : 3,917,964.94 = 3,917,964.94 : x
  2. Step 2: Convert to fraction form
    2,587,798.13/3,917,964.94 = 3,917,964.94/x
  3. Step 3: Cross multiply
    2,587,798.13x = 3,917,964.94 × 3,917,964.94
  4. Step 4: Simplify right side
    2,587,798.13x = 15,350,449,251,479.38
  5. Step 5: Solve for x
    x = 15,350,449,251,479.38/2,587,798.13
  6. Step 6: Final answer
    x = 5,931,857.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.