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Finding the Third Proportional to 325,867.50 and 455,247

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Solution

The third proportional to 325,867.50 and 455,247 is: 635,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,867.50 : 455,247 = 455,247 : x
  2. Step 2: Convert to fraction form
    325,867.50/455,247 = 455,247/x
  3. Step 3: Cross multiply
    325,867.50x = 455,247 × 455,247
  4. Step 4: Simplify right side
    325,867.50x = 207,249,831,009
  5. Step 5: Solve for x
    x = 207,249,831,009/325,867.50
  6. Step 6: Final answer
    x = 635,994.17

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.