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Finding the Third Proportional to 1.86 and 2.93

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Solution

The third proportional to 1.86 and 2.93 is: 4.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.86 : 2.93 = 2.93 : x
  2. Step 2: Convert to fraction form
    1.86/2.93 = 2.93/x
  3. Step 3: Cross multiply
    1.86x = 2.93 × 2.93
  4. Step 4: Simplify right side
    1.86x = 8.56
  5. Step 5: Solve for x
    x = 8.56/1.86
  6. Step 6: Final answer
    x = 4.60

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.