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Finding the Third Proportional to 56,706 and 83,418

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Solution

The third proportional to 56,706 and 83,418 is: 122,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706 : 83,418 = 83,418 : x
  2. Step 2: Convert to fraction form
    56,706/83,418 = 83,418/x
  3. Step 3: Cross multiply
    56,706x = 83,418 × 83,418
  4. Step 4: Simplify right side
    56,706x = 6,958,562,724
  5. Step 5: Solve for x
    x = 6,958,562,724/56,706
  6. Step 6: Final answer
    x = 122,712.99

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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.