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Finding the Third Proportional to 370,396,260 and 789,985,440

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Solution

The third proportional to 370,396,260 and 789,985,440 is: 1,684,890,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,396,260 : 789,985,440 = 789,985,440 : x
  2. Step 2: Convert to fraction form
    370,396,260/789,985,440 = 789,985,440/x
  3. Step 3: Cross multiply
    370,396,260x = 789,985,440 × 789,985,440
  4. Step 4: Simplify right side
    370,396,260x = 624,076,995,411,993,600
  5. Step 5: Solve for x
    x = 624,076,995,411,993,600/370,396,260
  6. Step 6: Final answer
    x = 1,684,890,110.42

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.