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Finding the Third Proportional to 370,424 and 553,196

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Solution

The third proportional to 370,424 and 553,196 is: 826,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,424 : 553,196 = 553,196 : x
  2. Step 2: Convert to fraction form
    370,424/553,196 = 553,196/x
  3. Step 3: Cross multiply
    370,424x = 553,196 × 553,196
  4. Step 4: Simplify right side
    370,424x = 306,025,814,416
  5. Step 5: Solve for x
    x = 306,025,814,416/370,424
  6. Step 6: Final answer
    x = 826,150.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.