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Finding the Third Proportional to 155,908 and 228,028

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Solution

The third proportional to 155,908 and 228,028 is: 333,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,908 : 228,028 = 228,028 : x
  2. Step 2: Convert to fraction form
    155,908/228,028 = 228,028/x
  3. Step 3: Cross multiply
    155,908x = 228,028 × 228,028
  4. Step 4: Simplify right side
    155,908x = 51,996,768,784
  5. Step 5: Solve for x
    x = 51,996,768,784/155,908
  6. Step 6: Final answer
    x = 333,509.31

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.