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Finding the Third Proportional to 1,860.75 and 4,398.75

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Solution

The third proportional to 1,860.75 and 4,398.75 is: 10,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.75 : 4,398.75 = 4,398.75 : x
  2. Step 2: Convert to fraction form
    1,860.75/4,398.75 = 4,398.75/x
  3. Step 3: Cross multiply
    1,860.75x = 4,398.75 × 4,398.75
  4. Step 4: Simplify right side
    1,860.75x = 19,349,001.56
  5. Step 5: Solve for x
    x = 19,349,001.56/1,860.75
  6. Step 6: Final answer
    x = 10,398.50

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.