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Finding the Third Proportional to 609,229,396 and 928,128,558

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Solution

The third proportional to 609,229,396 and 928,128,558 is: 1,413,954,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,229,396 : 928,128,558 = 928,128,558 : x
  2. Step 2: Convert to fraction form
    609,229,396/928,128,558 = 928,128,558/x
  3. Step 3: Cross multiply
    609,229,396x = 928,128,558 × 928,128,558
  4. Step 4: Simplify right side
    609,229,396x = 861,422,620,175,159,424
  5. Step 5: Solve for x
    x = 861,422,620,175,159,424/609,229,396
  6. Step 6: Final answer
    x = 1,413,954,457.60

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.