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Finding the Third Proportional to 221,483 and 343,614

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Solution

The third proportional to 221,483 and 343,614 is: 533,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,483 : 343,614 = 343,614 : x
  2. Step 2: Convert to fraction form
    221,483/343,614 = 343,614/x
  3. Step 3: Cross multiply
    221,483x = 343,614 × 343,614
  4. Step 4: Simplify right side
    221,483x = 118,070,580,996
  5. Step 5: Solve for x
    x = 118,070,580,996/221,483
  6. Step 6: Final answer
    x = 533,090.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.