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Finding the Third Proportional to 5,152 and 9,776

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Solution

The third proportional to 5,152 and 9,776 is: 18,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152 : 9,776 = 9,776 : x
  2. Step 2: Convert to fraction form
    5,152/9,776 = 9,776/x
  3. Step 3: Cross multiply
    5,152x = 9,776 × 9,776
  4. Step 4: Simplify right side
    5,152x = 95,570,176
  5. Step 5: Solve for x
    x = 95,570,176/5,152
  6. Step 6: Final answer
    x = 18,550.11

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.