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Finding the Third Proportional to 176,670.56 and 386,985.94

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Solution

The third proportional to 176,670.56 and 386,985.94 is: 847,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,670.56 : 386,985.94 = 386,985.94 : x
  2. Step 2: Convert to fraction form
    176,670.56/386,985.94 = 386,985.94/x
  3. Step 3: Cross multiply
    176,670.56x = 386,985.94 × 386,985.94
  4. Step 4: Simplify right side
    176,670.56x = 149,758,115,822.75
  5. Step 5: Solve for x
    x = 149,758,115,822.75/176,670.56
  6. Step 6: Final answer
    x = 847,668.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.