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Finding the Third Proportional to 214,824 and 322,087.50

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Solution

The third proportional to 214,824 and 322,087.50 is: 482,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,824 : 322,087.50 = 322,087.50 : x
  2. Step 2: Convert to fraction form
    214,824/322,087.50 = 322,087.50/x
  3. Step 3: Cross multiply
    214,824x = 322,087.50 × 322,087.50
  4. Step 4: Simplify right side
    214,824x = 103,740,357,656.25
  5. Step 5: Solve for x
    x = 103,740,357,656.25/214,824
  6. Step 6: Final answer
    x = 482,908.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.