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Finding the Third Proportional to 236,319.61 and 518,558.41

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Solution

The third proportional to 236,319.61 and 518,558.41 is: 1,137,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,319.61 : 518,558.41 = 518,558.41 : x
  2. Step 2: Convert to fraction form
    236,319.61/518,558.41 = 518,558.41/x
  3. Step 3: Cross multiply
    236,319.61x = 518,558.41 × 518,558.41
  4. Step 4: Simplify right side
    236,319.61x = 268,902,828,795.02
  5. Step 5: Solve for x
    x = 268,902,828,795.02/236,319.61
  6. Step 6: Final answer
    x = 1,137,877.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.