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Finding the Third Proportional to 252,643.50 and 552,807

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Solution

The third proportional to 252,643.50 and 552,807 is: 1,209,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,643.50 : 552,807 = 552,807 : x
  2. Step 2: Convert to fraction form
    252,643.50/552,807 = 552,807/x
  3. Step 3: Cross multiply
    252,643.50x = 552,807 × 552,807
  4. Step 4: Simplify right side
    252,643.50x = 305,595,579,249
  5. Step 5: Solve for x
    x = 305,595,579,249/252,643.50
  6. Step 6: Final answer
    x = 1,209,592.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.