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Finding the Third Proportional to 388,303.50 and 588,469.50

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Solution

The third proportional to 388,303.50 and 588,469.50 is: 891,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,303.50 : 588,469.50 = 588,469.50 : x
  2. Step 2: Convert to fraction form
    388,303.50/588,469.50 = 588,469.50/x
  3. Step 3: Cross multiply
    388,303.50x = 588,469.50 × 588,469.50
  4. Step 4: Simplify right side
    388,303.50x = 346,296,352,430.25
  5. Step 5: Solve for x
    x = 346,296,352,430.25/388,303.50
  6. Step 6: Final answer
    x = 891,818.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.