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Finding the Third Proportional to 176,317.50 and 391,875

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Solution

The third proportional to 176,317.50 and 391,875 is: 870,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,317.50 : 391,875 = 391,875 : x
  2. Step 2: Convert to fraction form
    176,317.50/391,875 = 391,875/x
  3. Step 3: Cross multiply
    176,317.50x = 391,875 × 391,875
  4. Step 4: Simplify right side
    176,317.50x = 153,566,015,625
  5. Step 5: Solve for x
    x = 153,566,015,625/176,317.50
  6. Step 6: Final answer
    x = 870,962.98

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.