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Finding the Third Proportional to 158,801 and 348,709

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Solution

The third proportional to 158,801 and 348,709 is: 765,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,801 : 348,709 = 348,709 : x
  2. Step 2: Convert to fraction form
    158,801/348,709 = 348,709/x
  3. Step 3: Cross multiply
    158,801x = 348,709 × 348,709
  4. Step 4: Simplify right side
    158,801x = 121,597,966,681
  5. Step 5: Solve for x
    x = 121,597,966,681/158,801
  6. Step 6: Final answer
    x = 765,725.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.