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Finding the Third Proportional to 2,398,655.53 and 5,195,891.81

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Solution

The third proportional to 2,398,655.53 and 5,195,891.81 is: 11,255,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,655.53 : 5,195,891.81 = 5,195,891.81 : x
  2. Step 2: Convert to fraction form
    2,398,655.53/5,195,891.81 = 5,195,891.81/x
  3. Step 3: Cross multiply
    2,398,655.53x = 5,195,891.81 × 5,195,891.81
  4. Step 4: Simplify right side
    2,398,655.53x = 26,997,291,727,204.54
  5. Step 5: Solve for x
    x = 26,997,291,727,204.54/2,398,655.53
  6. Step 6: Final answer
    x = 11,255,176.65

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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.