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Finding the Third Proportional to 261,445.22 and 554,283

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Solution

The third proportional to 261,445.22 and 554,283 is: 1,175,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,445.22 : 554,283 = 554,283 : x
  2. Step 2: Convert to fraction form
    261,445.22/554,283 = 554,283/x
  3. Step 3: Cross multiply
    261,445.22x = 554,283 × 554,283
  4. Step 4: Simplify right side
    261,445.22x = 307,229,644,089
  5. Step 5: Solve for x
    x = 307,229,644,089/261,445.22
  6. Step 6: Final answer
    x = 1,175,120.53

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.