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Finding the Third Proportional to 122,748 and 189,549

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Solution

The third proportional to 122,748 and 189,549 is: 292,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,748 : 189,549 = 189,549 : x
  2. Step 2: Convert to fraction form
    122,748/189,549 = 189,549/x
  3. Step 3: Cross multiply
    122,748x = 189,549 × 189,549
  4. Step 4: Simplify right side
    122,748x = 35,928,823,401
  5. Step 5: Solve for x
    x = 35,928,823,401/122,748
  6. Step 6: Final answer
    x = 292,703.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.