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Finding the Third Proportional to 153,504 and 330,336

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Solution

The third proportional to 153,504 and 330,336 is: 710,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,504 : 330,336 = 330,336 : x
  2. Step 2: Convert to fraction form
    153,504/330,336 = 330,336/x
  3. Step 3: Cross multiply
    153,504x = 330,336 × 330,336
  4. Step 4: Simplify right side
    153,504x = 109,121,872,896
  5. Step 5: Solve for x
    x = 109,121,872,896/153,504
  6. Step 6: Final answer
    x = 710,873.16

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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.