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Finding the Third Proportional to 124,560 and 195,768

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Solution

The third proportional to 124,560 and 195,768 is: 307,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,560 : 195,768 = 195,768 : x
  2. Step 2: Convert to fraction form
    124,560/195,768 = 195,768/x
  3. Step 3: Cross multiply
    124,560x = 195,768 × 195,768
  4. Step 4: Simplify right side
    124,560x = 38,325,109,824
  5. Step 5: Solve for x
    x = 38,325,109,824/124,560
  6. Step 6: Final answer
    x = 307,683.93

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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.