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Finding the Third Proportional to 1,856 and 2,896

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Solution

The third proportional to 1,856 and 2,896 is: 4,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856 : 2,896 = 2,896 : x
  2. Step 2: Convert to fraction form
    1,856/2,896 = 2,896/x
  3. Step 3: Cross multiply
    1,856x = 2,896 × 2,896
  4. Step 4: Simplify right side
    1,856x = 8,386,816
  5. Step 5: Solve for x
    x = 8,386,816/1,856
  6. Step 6: Final answer
    x = 4,518.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.