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Finding the Third Proportional to 1,886.63 and 3,830.63

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Solution

The third proportional to 1,886.63 and 3,830.63 is: 7,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.63 : 3,830.63 = 3,830.63 : x
  2. Step 2: Convert to fraction form
    1,886.63/3,830.63 = 3,830.63/x
  3. Step 3: Cross multiply
    1,886.63x = 3,830.63 × 3,830.63
  4. Step 4: Simplify right side
    1,886.63x = 14,673,687.89
  5. Step 5: Solve for x
    x = 14,673,687.89/1,886.63
  6. Step 6: Final answer
    x = 7,777.74

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.