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Finding the Third Proportional to 148,768 and 208,560

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Solution

The third proportional to 148,768 and 208,560 is: 292,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,768 : 208,560 = 208,560 : x
  2. Step 2: Convert to fraction form
    148,768/208,560 = 208,560/x
  3. Step 3: Cross multiply
    148,768x = 208,560 × 208,560
  4. Step 4: Simplify right side
    148,768x = 43,497,273,600
  5. Step 5: Solve for x
    x = 43,497,273,600/148,768
  6. Step 6: Final answer
    x = 292,383.27

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.