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Finding the Third Proportional to 187,658 and 276,525

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Solution

The third proportional to 187,658 and 276,525 is: 407,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,658 : 276,525 = 276,525 : x
  2. Step 2: Convert to fraction form
    187,658/276,525 = 276,525/x
  3. Step 3: Cross multiply
    187,658x = 276,525 × 276,525
  4. Step 4: Simplify right side
    187,658x = 76,466,075,625
  5. Step 5: Solve for x
    x = 76,466,075,625/187,658
  6. Step 6: Final answer
    x = 407,475.70

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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.