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Finding the Third Proportional to 161,248 and 376,540

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Solution

The third proportional to 161,248 and 376,540 is: 879,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,248 : 376,540 = 376,540 : x
  2. Step 2: Convert to fraction form
    161,248/376,540 = 376,540/x
  3. Step 3: Cross multiply
    161,248x = 376,540 × 376,540
  4. Step 4: Simplify right side
    161,248x = 141,782,371,600
  5. Step 5: Solve for x
    x = 141,782,371,600/161,248
  6. Step 6: Final answer
    x = 879,281.43

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.