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Finding the Third Proportional to 168,316.50 and 368,305.50

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Solution

The third proportional to 168,316.50 and 368,305.50 is: 805,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,316.50 : 368,305.50 = 368,305.50 : x
  2. Step 2: Convert to fraction form
    168,316.50/368,305.50 = 368,305.50/x
  3. Step 3: Cross multiply
    168,316.50x = 368,305.50 × 368,305.50
  4. Step 4: Simplify right side
    168,316.50x = 135,648,941,330.25
  5. Step 5: Solve for x
    x = 135,648,941,330.25/168,316.50
  6. Step 6: Final answer
    x = 805,915.89

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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.