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Finding the Third Proportional to 290,337.75 and 607,284

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Solution

The third proportional to 290,337.75 and 607,284 is: 1,270,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,337.75 : 607,284 = 607,284 : x
  2. Step 2: Convert to fraction form
    290,337.75/607,284 = 607,284/x
  3. Step 3: Cross multiply
    290,337.75x = 607,284 × 607,284
  4. Step 4: Simplify right side
    290,337.75x = 368,793,856,656
  5. Step 5: Solve for x
    x = 368,793,856,656/290,337.75
  6. Step 6: Final answer
    x = 1,270,223.58

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.