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Finding the Third Proportional to 292,016 and 627,688

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Solution

The third proportional to 292,016 and 627,688 is: 1,349,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,016 : 627,688 = 627,688 : x
  2. Step 2: Convert to fraction form
    292,016/627,688 = 627,688/x
  3. Step 3: Cross multiply
    292,016x = 627,688 × 627,688
  4. Step 4: Simplify right side
    292,016x = 393,992,225,344
  5. Step 5: Solve for x
    x = 393,992,225,344/292,016
  6. Step 6: Final answer
    x = 1,349,214.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.