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Finding the Third Proportional to 344,636 and 514,888

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Solution

The third proportional to 344,636 and 514,888 is: 769,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,636 : 514,888 = 514,888 : x
  2. Step 2: Convert to fraction form
    344,636/514,888 = 514,888/x
  3. Step 3: Cross multiply
    344,636x = 514,888 × 514,888
  4. Step 4: Simplify right side
    344,636x = 265,109,652,544
  5. Step 5: Solve for x
    x = 265,109,652,544/344,636
  6. Step 6: Final answer
    x = 769,245.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.