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Finding the Third Proportional to 388,634 and 849,304

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Solution

The third proportional to 388,634 and 849,304 is: 1,856,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,634 : 849,304 = 849,304 : x
  2. Step 2: Convert to fraction form
    388,634/849,304 = 849,304/x
  3. Step 3: Cross multiply
    388,634x = 849,304 × 849,304
  4. Step 4: Simplify right side
    388,634x = 721,317,284,416
  5. Step 5: Solve for x
    x = 721,317,284,416/388,634
  6. Step 6: Final answer
    x = 1,856,032.37

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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.