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Finding the Third Proportional to 83,689,668 and 180,590,728

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Solution

The third proportional to 83,689,668 and 180,590,728 is: 389,689,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,689,668 : 180,590,728 = 180,590,728 : x
  2. Step 2: Convert to fraction form
    83,689,668/180,590,728 = 180,590,728/x
  3. Step 3: Cross multiply
    83,689,668x = 180,590,728 × 180,590,728
  4. Step 4: Simplify right side
    83,689,668x = 32,613,011,039,569,984
  5. Step 5: Solve for x
    x = 32,613,011,039,569,984/83,689,668
  6. Step 6: Final answer
    x = 389,689,812.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.