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Finding the Third Proportional to 153,649.25 and 335,317

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Solution

The third proportional to 153,649.25 and 335,317 is: 731,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,649.25 : 335,317 = 335,317 : x
  2. Step 2: Convert to fraction form
    153,649.25/335,317 = 335,317/x
  3. Step 3: Cross multiply
    153,649.25x = 335,317 × 335,317
  4. Step 4: Simplify right side
    153,649.25x = 112,437,490,489
  5. Step 5: Solve for x
    x = 112,437,490,489/153,649.25
  6. Step 6: Final answer
    x = 731,780.28

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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.