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Finding the Third Proportional to 19,145 and 41,365

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Solution

The third proportional to 19,145 and 41,365 is: 89,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145 : 41,365 = 41,365 : x
  2. Step 2: Convert to fraction form
    19,145/41,365 = 41,365/x
  3. Step 3: Cross multiply
    19,145x = 41,365 × 41,365
  4. Step 4: Simplify right side
    19,145x = 1,711,063,225
  5. Step 5: Solve for x
    x = 1,711,063,225/19,145
  6. Step 6: Final answer
    x = 89,373.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.