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Finding the Third Proportional to 172,854.84 and 377,230.50

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Solution

The third proportional to 172,854.84 and 377,230.50 is: 823,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854.84 : 377,230.50 = 377,230.50 : x
  2. Step 2: Convert to fraction form
    172,854.84/377,230.50 = 377,230.50/x
  3. Step 3: Cross multiply
    172,854.84x = 377,230.50 × 377,230.50
  4. Step 4: Simplify right side
    172,854.84x = 142,302,850,130.25
  5. Step 5: Solve for x
    x = 142,302,850,130.25/172,854.84
  6. Step 6: Final answer
    x = 823,250.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.