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Finding the Third Proportional to 332,636.25 and 521,208

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Solution

The third proportional to 332,636.25 and 521,208 is: 816,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,636.25 : 521,208 = 521,208 : x
  2. Step 2: Convert to fraction form
    332,636.25/521,208 = 521,208/x
  3. Step 3: Cross multiply
    332,636.25x = 521,208 × 521,208
  4. Step 4: Simplify right side
    332,636.25x = 271,657,779,264
  5. Step 5: Solve for x
    x = 271,657,779,264/332,636.25
  6. Step 6: Final answer
    x = 816,681.22

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.