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Finding the Third Proportional to 362,634 and 509,763

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Solution

The third proportional to 362,634 and 509,763 is: 716,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,634 : 509,763 = 509,763 : x
  2. Step 2: Convert to fraction form
    362,634/509,763 = 509,763/x
  3. Step 3: Cross multiply
    362,634x = 509,763 × 509,763
  4. Step 4: Simplify right side
    362,634x = 259,858,316,169
  5. Step 5: Solve for x
    x = 259,858,316,169/362,634
  6. Step 6: Final answer
    x = 716,585.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.