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Finding the Third Proportional to 154,987.88 and 328,575

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Solution

The third proportional to 154,987.88 and 328,575 is: 696,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,987.88 : 328,575 = 328,575 : x
  2. Step 2: Convert to fraction form
    154,987.88/328,575 = 328,575/x
  3. Step 3: Cross multiply
    154,987.88x = 328,575 × 328,575
  4. Step 4: Simplify right side
    154,987.88x = 107,961,530,625
  5. Step 5: Solve for x
    x = 107,961,530,625/154,987.88
  6. Step 6: Final answer
    x = 696,580.49

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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.