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Finding the Third Proportional to 4,688 and 6,776

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Solution

The third proportional to 4,688 and 6,776 is: 9,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688 : 6,776 = 6,776 : x
  2. Step 2: Convert to fraction form
    4,688/6,776 = 6,776/x
  3. Step 3: Cross multiply
    4,688x = 6,776 × 6,776
  4. Step 4: Simplify right side
    4,688x = 45,914,176
  5. Step 5: Solve for x
    x = 45,914,176/4,688
  6. Step 6: Final answer
    x = 9,793.98

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.