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Finding the Third Proportional to 158,208 and 347,528

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Solution

The third proportional to 158,208 and 347,528 is: 763,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,208 : 347,528 = 347,528 : x
  2. Step 2: Convert to fraction form
    158,208/347,528 = 347,528/x
  3. Step 3: Cross multiply
    158,208x = 347,528 × 347,528
  4. Step 4: Simplify right side
    158,208x = 120,775,710,784
  5. Step 5: Solve for x
    x = 120,775,710,784/158,208
  6. Step 6: Final answer
    x = 763,398.25

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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.