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Finding the Third Proportional to 264,507.19 and 402,949.69

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Solution

The third proportional to 264,507.19 and 402,949.69 is: 613,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,507.19 : 402,949.69 = 402,949.69 : x
  2. Step 2: Convert to fraction form
    264,507.19/402,949.69 = 402,949.69/x
  3. Step 3: Cross multiply
    264,507.19x = 402,949.69 × 402,949.69
  4. Step 4: Simplify right side
    264,507.19x = 162,368,450,656.35
  5. Step 5: Solve for x
    x = 162,368,450,656.35/264,507.19
  6. Step 6: Final answer
    x = 613,852.70

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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.