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Finding the Third Proportional to 56,686 and 83,297

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Solution

The third proportional to 56,686 and 83,297 is: 122,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686 : 83,297 = 83,297 : x
  2. Step 2: Convert to fraction form
    56,686/83,297 = 83,297/x
  3. Step 3: Cross multiply
    56,686x = 83,297 × 83,297
  4. Step 4: Simplify right side
    56,686x = 6,938,390,209
  5. Step 5: Solve for x
    x = 6,938,390,209/56,686
  6. Step 6: Final answer
    x = 122,400.42

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.