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Finding the Third Proportional to 124,630 and 186,907

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Solution

The third proportional to 124,630 and 186,907 is: 280,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,630 : 186,907 = 186,907 : x
  2. Step 2: Convert to fraction form
    124,630/186,907 = 186,907/x
  3. Step 3: Cross multiply
    124,630x = 186,907 × 186,907
  4. Step 4: Simplify right side
    124,630x = 34,934,226,649
  5. Step 5: Solve for x
    x = 34,934,226,649/124,630
  6. Step 6: Final answer
    x = 280,303.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.