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Finding the Third Proportional to 153,522 and 330,372

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Solution

The third proportional to 153,522 and 330,372 is: 710,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,522 : 330,372 = 330,372 : x
  2. Step 2: Convert to fraction form
    153,522/330,372 = 330,372/x
  3. Step 3: Cross multiply
    153,522x = 330,372 × 330,372
  4. Step 4: Simplify right side
    153,522x = 109,145,658,384
  5. Step 5: Solve for x
    x = 109,145,658,384/153,522
  6. Step 6: Final answer
    x = 710,944.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.