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Finding the Third Proportional to 133,710.75 and 291,411

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Solution

The third proportional to 133,710.75 and 291,411 is: 635,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,710.75 : 291,411 = 291,411 : x
  2. Step 2: Convert to fraction form
    133,710.75/291,411 = 291,411/x
  3. Step 3: Cross multiply
    133,710.75x = 291,411 × 291,411
  4. Step 4: Simplify right side
    133,710.75x = 84,920,370,921
  5. Step 5: Solve for x
    x = 84,920,370,921/133,710.75
  6. Step 6: Final answer
    x = 635,105.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.