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Finding the Third Proportional to 172,176 and 252,648

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Solution

The third proportional to 172,176 and 252,648 is: 370,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,176 : 252,648 = 252,648 : x
  2. Step 2: Convert to fraction form
    172,176/252,648 = 252,648/x
  3. Step 3: Cross multiply
    172,176x = 252,648 × 252,648
  4. Step 4: Simplify right side
    172,176x = 63,831,011,904
  5. Step 5: Solve for x
    x = 63,831,011,904/172,176
  6. Step 6: Final answer
    x = 370,731.18

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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.