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Finding the Third Proportional to 2,113 and 3,365

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Solution

The third proportional to 2,113 and 3,365 is: 5,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113 : 3,365 = 3,365 : x
  2. Step 2: Convert to fraction form
    2,113/3,365 = 3,365/x
  3. Step 3: Cross multiply
    2,113x = 3,365 × 3,365
  4. Step 4: Simplify right side
    2,113x = 11,323,225
  5. Step 5: Solve for x
    x = 11,323,225/2,113
  6. Step 6: Final answer
    x = 5,358.84

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.