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Finding the Third Proportional to 449,128.13 and 973,009.13

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Solution

The third proportional to 449,128.13 and 973,009.13 is: 2,107,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,128.13 : 973,009.13 = 973,009.13 : x
  2. Step 2: Convert to fraction form
    449,128.13/973,009.13 = 973,009.13/x
  3. Step 3: Cross multiply
    449,128.13x = 973,009.13 × 973,009.13
  4. Step 4: Simplify right side
    449,128.13x = 946,746,757,333.27
  5. Step 5: Solve for x
    x = 946,746,757,333.27/449,128.13
  6. Step 6: Final answer
    x = 2,107,965.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.