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Finding the Third Proportional to 195,526 and 428,412

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Solution

The third proportional to 195,526 and 428,412 is: 938,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,526 : 428,412 = 428,412 : x
  2. Step 2: Convert to fraction form
    195,526/428,412 = 428,412/x
  3. Step 3: Cross multiply
    195,526x = 428,412 × 428,412
  4. Step 4: Simplify right side
    195,526x = 183,536,841,744
  5. Step 5: Solve for x
    x = 183,536,841,744/195,526
  6. Step 6: Final answer
    x = 938,682.54

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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.