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Finding the Third Proportional to 623,603,690 and 1,339,323,604

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Solution

The third proportional to 623,603,690 and 1,339,323,604 is: 2,876,486,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,603,690 : 1,339,323,604 = 1,339,323,604 : x
  2. Step 2: Convert to fraction form
    623,603,690/1,339,323,604 = 1,339,323,604/x
  3. Step 3: Cross multiply
    623,603,690x = 1,339,323,604 × 1,339,323,604
  4. Step 4: Simplify right side
    623,603,690x = 1,793,787,716,231,548,928
  5. Step 5: Solve for x
    x = 1,793,787,716,231,548,928/623,603,690
  6. Step 6: Final answer
    x = 2,876,486,693.39

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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.