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Finding the Third Proportional to 316,154 and 562,132

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Solution

The third proportional to 316,154 and 562,132 is: 999,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,154 : 562,132 = 562,132 : x
  2. Step 2: Convert to fraction form
    316,154/562,132 = 562,132/x
  3. Step 3: Cross multiply
    316,154x = 562,132 × 562,132
  4. Step 4: Simplify right side
    316,154x = 315,992,385,424
  5. Step 5: Solve for x
    x = 315,992,385,424/316,154
  6. Step 6: Final answer
    x = 999,488.81

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.