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Finding the Third Proportional to 133,024 and 291,918

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Solution

The third proportional to 133,024 and 291,918 is: 640,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,024 : 291,918 = 291,918 : x
  2. Step 2: Convert to fraction form
    133,024/291,918 = 291,918/x
  3. Step 3: Cross multiply
    133,024x = 291,918 × 291,918
  4. Step 4: Simplify right side
    133,024x = 85,216,118,724
  5. Step 5: Solve for x
    x = 85,216,118,724/133,024
  6. Step 6: Final answer
    x = 640,607.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.