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Finding the Third Proportional to 307,835.25 and 460,514.25

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Solution

The third proportional to 307,835.25 and 460,514.25 is: 688,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,835.25 : 460,514.25 = 460,514.25 : x
  2. Step 2: Convert to fraction form
    307,835.25/460,514.25 = 460,514.25/x
  3. Step 3: Cross multiply
    307,835.25x = 460,514.25 × 460,514.25
  4. Step 4: Simplify right side
    307,835.25x = 212,073,374,453.06
  5. Step 5: Solve for x
    x = 212,073,374,453.06/307,835.25
  6. Step 6: Final answer
    x = 688,918.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.