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Finding the Third Proportional to 0.46 and 0.77

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Solution

The third proportional to 0.46 and 0.77 is: 1.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.46 : 0.77 = 0.77 : x
  2. Step 2: Convert to fraction form
    0.46/0.77 = 0.77/x
  3. Step 3: Cross multiply
    0.46x = 0.77 × 0.77
  4. Step 4: Simplify right side
    0.46x = 0.60
  5. Step 5: Solve for x
    x = 0.60/0.46
  6. Step 6: Final answer
    x = 1.31

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Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.