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Finding the Third Proportional to 1,937 and 4,140

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Solution

The third proportional to 1,937 and 4,140 is: 8,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937 : 4,140 = 4,140 : x
  2. Step 2: Convert to fraction form
    1,937/4,140 = 4,140/x
  3. Step 3: Cross multiply
    1,937x = 4,140 × 4,140
  4. Step 4: Simplify right side
    1,937x = 17,139,600
  5. Step 5: Solve for x
    x = 17,139,600/1,937
  6. Step 6: Final answer
    x = 8,848.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.