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Finding the Third Proportional to 1,299,155,220 and 3,065,773,806

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Solution

The third proportional to 1,299,155,220 and 3,065,773,806 is: 7,234,677,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,155,220 : 3,065,773,806 = 3,065,773,806 : x
  2. Step 2: Convert to fraction form
    1,299,155,220/3,065,773,806 = 3,065,773,806/x
  3. Step 3: Cross multiply
    1,299,155,220x = 3,065,773,806 × 3,065,773,806
  4. Step 4: Simplify right side
    1,299,155,220x = 9,398,969,029,555,726,336
  5. Step 5: Solve for x
    x = 9,398,969,029,555,726,336/1,299,155,220
  6. Step 6: Final answer
    x = 7,234,677,492.62

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.