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Finding the Third Proportional to 393,266 and 607,284

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Solution

The third proportional to 393,266 and 607,284 is: 937,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,266 : 607,284 = 607,284 : x
  2. Step 2: Convert to fraction form
    393,266/607,284 = 607,284/x
  3. Step 3: Cross multiply
    393,266x = 607,284 × 607,284
  4. Step 4: Simplify right side
    393,266x = 368,793,856,656
  5. Step 5: Solve for x
    x = 368,793,856,656/393,266
  6. Step 6: Final answer
    x = 937,772.03

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