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Finding the Third Proportional to 1,816,537,750 and 3,976,976,660

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Solution

The third proportional to 1,816,537,750 and 3,976,976,660 is: 8,706,861,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,537,750 : 3,976,976,660 = 3,976,976,660 : x
  2. Step 2: Convert to fraction form
    1,816,537,750/3,976,976,660 = 3,976,976,660/x
  3. Step 3: Cross multiply
    1,816,537,750x = 3,976,976,660 × 3,976,976,660
  4. Step 4: Simplify right side
    1,816,537,750x = 15,816,343,354,184,755,200
  5. Step 5: Solve for x
    x = 15,816,343,354,184,755,200/1,816,537,750
  6. Step 6: Final answer
    x = 8,706,861,915.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.