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Finding the Third Proportional to 212,905 and 463,610

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Solution

The third proportional to 212,905 and 463,610 is: 1,009,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,905 : 463,610 = 463,610 : x
  2. Step 2: Convert to fraction form
    212,905/463,610 = 463,610/x
  3. Step 3: Cross multiply
    212,905x = 463,610 × 463,610
  4. Step 4: Simplify right side
    212,905x = 214,934,232,100
  5. Step 5: Solve for x
    x = 214,934,232,100/212,905
  6. Step 6: Final answer
    x = 1,009,531.16

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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.