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Finding the Third Proportional to 459,568.13 and 661,920.19

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Solution

The third proportional to 459,568.13 and 661,920.19 is: 953,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,568.13 : 661,920.19 = 661,920.19 : x
  2. Step 2: Convert to fraction form
    459,568.13/661,920.19 = 661,920.19/x
  3. Step 3: Cross multiply
    459,568.13x = 661,920.19 × 661,920.19
  4. Step 4: Simplify right side
    459,568.13x = 438,138,334,620.04
  5. Step 5: Solve for x
    x = 438,138,334,620.04/459,568.13
  6. Step 6: Final answer
    x = 953,369.72

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.