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Finding the Third Proportional to 391,969.13 and 593,365.50

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Solution

The third proportional to 391,969.13 and 593,365.50 is: 898,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,969.13 : 593,365.50 = 593,365.50 : x
  2. Step 2: Convert to fraction form
    391,969.13/593,365.50 = 593,365.50/x
  3. Step 3: Cross multiply
    391,969.13x = 593,365.50 × 593,365.50
  4. Step 4: Simplify right side
    391,969.13x = 352,082,616,590.25
  5. Step 5: Solve for x
    x = 352,082,616,590.25/391,969.13
  6. Step 6: Final answer
    x = 898,240.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.