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Finding the Third Proportional to 292,968 and 627,408

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Solution

The third proportional to 292,968 and 627,408 is: 1,343,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,968 : 627,408 = 627,408 : x
  2. Step 2: Convert to fraction form
    292,968/627,408 = 627,408/x
  3. Step 3: Cross multiply
    292,968x = 627,408 × 627,408
  4. Step 4: Simplify right side
    292,968x = 393,640,798,464
  5. Step 5: Solve for x
    x = 393,640,798,464/292,968
  6. Step 6: Final answer
    x = 1,343,630.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.