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Finding the Third Proportional to 2,298.94 and 4,987.13

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Solution

The third proportional to 2,298.94 and 4,987.13 is: 10,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.94 : 4,987.13 = 4,987.13 : x
  2. Step 2: Convert to fraction form
    2,298.94/4,987.13 = 4,987.13/x
  3. Step 3: Cross multiply
    2,298.94x = 4,987.13 × 4,987.13
  4. Step 4: Simplify right side
    2,298.94x = 24,871,415.77
  5. Step 5: Solve for x
    x = 24,871,415.77/2,298.94
  6. Step 6: Final answer
    x = 10,818.66

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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.