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Finding the Third Proportional to 169,421.50 and 368,358.50

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Solution

The third proportional to 169,421.50 and 368,358.50 is: 800,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,421.50 : 368,358.50 = 368,358.50 : x
  2. Step 2: Convert to fraction form
    169,421.50/368,358.50 = 368,358.50/x
  3. Step 3: Cross multiply
    169,421.50x = 368,358.50 × 368,358.50
  4. Step 4: Simplify right side
    169,421.50x = 135,687,984,522.25
  5. Step 5: Solve for x
    x = 135,687,984,522.25/169,421.50
  6. Step 6: Final answer
    x = 800,890.00

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.