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Finding the Third Proportional to 176,028 and 415,130

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Solution

The third proportional to 176,028 and 415,130 is: 979,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,028 : 415,130 = 415,130 : x
  2. Step 2: Convert to fraction form
    176,028/415,130 = 415,130/x
  3. Step 3: Cross multiply
    176,028x = 415,130 × 415,130
  4. Step 4: Simplify right side
    176,028x = 172,332,916,900
  5. Step 5: Solve for x
    x = 172,332,916,900/176,028
  6. Step 6: Final answer
    x = 979,008.55

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.