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Finding the Third Proportional to 4,910 and 7,585

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Solution

The third proportional to 4,910 and 7,585 is: 11,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910 : 7,585 = 7,585 : x
  2. Step 2: Convert to fraction form
    4,910/7,585 = 7,585/x
  3. Step 3: Cross multiply
    4,910x = 7,585 × 7,585
  4. Step 4: Simplify right side
    4,910x = 57,532,225
  5. Step 5: Solve for x
    x = 57,532,225/4,910
  6. Step 6: Final answer
    x = 11,717.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.