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Finding the Third Proportional to 4,985.30 and 10,695.80

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Solution

The third proportional to 4,985.30 and 10,695.80 is: 22,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.30 : 10,695.80 = 10,695.80 : x
  2. Step 2: Convert to fraction form
    4,985.30/10,695.80 = 10,695.80/x
  3. Step 3: Cross multiply
    4,985.30x = 10,695.80 × 10,695.80
  4. Step 4: Simplify right side
    4,985.30x = 114,400,070.79
  5. Step 5: Solve for x
    x = 114,400,070.79/4,985.30
  6. Step 6: Final answer
    x = 22,947.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.