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Finding the Third Proportional to 388,585.69 and 599,489.44

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Solution

The third proportional to 388,585.69 and 599,489.44 is: 924,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,585.69 : 599,489.44 = 599,489.44 : x
  2. Step 2: Convert to fraction form
    388,585.69/599,489.44 = 599,489.44/x
  3. Step 3: Cross multiply
    388,585.69x = 599,489.44 × 599,489.44
  4. Step 4: Simplify right side
    388,585.69x = 359,387,585,674.07
  5. Step 5: Solve for x
    x = 359,387,585,674.07/388,585.69
  6. Step 6: Final answer
    x = 924,860.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.