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Finding the Third Proportional to 122,958 and 265,292

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Solution

The third proportional to 122,958 and 265,292 is: 572,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,958 : 265,292 = 265,292 : x
  2. Step 2: Convert to fraction form
    122,958/265,292 = 265,292/x
  3. Step 3: Cross multiply
    122,958x = 265,292 × 265,292
  4. Step 4: Simplify right side
    122,958x = 70,379,845,264
  5. Step 5: Solve for x
    x = 70,379,845,264/122,958
  6. Step 6: Final answer
    x = 572,389.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.