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Finding the Third Proportional to 236,172 and 369,418.50

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Solution

The third proportional to 236,172 and 369,418.50 is: 577,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,172 : 369,418.50 = 369,418.50 : x
  2. Step 2: Convert to fraction form
    236,172/369,418.50 = 369,418.50/x
  3. Step 3: Cross multiply
    236,172x = 369,418.50 × 369,418.50
  4. Step 4: Simplify right side
    236,172x = 136,470,028,142.25
  5. Step 5: Solve for x
    x = 136,470,028,142.25/236,172
  6. Step 6: Final answer
    x = 577,841.69

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.