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Finding the Third Proportional to 258,069.38 and 607,257

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Solution

The third proportional to 258,069.38 and 607,257 is: 1,428,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,069.38 : 607,257 = 607,257 : x
  2. Step 2: Convert to fraction form
    258,069.38/607,257 = 607,257/x
  3. Step 3: Cross multiply
    258,069.38x = 607,257 × 607,257
  4. Step 4: Simplify right side
    258,069.38x = 368,761,064,049
  5. Step 5: Solve for x
    x = 368,761,064,049/258,069.38
  6. Step 6: Final answer
    x = 1,428,922.22

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.