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Finding the Third Proportional to 264,411.75 and 402,814.13

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Solution

The third proportional to 264,411.75 and 402,814.13 is: 613,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,411.75 : 402,814.13 = 402,814.13 : x
  2. Step 2: Convert to fraction form
    264,411.75/402,814.13 = 402,814.13/x
  3. Step 3: Cross multiply
    264,411.75x = 402,814.13 × 402,814.13
  4. Step 4: Simplify right side
    264,411.75x = 162,259,219,299.52
  5. Step 5: Solve for x
    x = 162,259,219,299.52/264,411.75
  6. Step 6: Final answer
    x = 613,661.15

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.