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Finding the Third Proportional to 19,782,566 and 29,880,554

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Solution

The third proportional to 19,782,566 and 29,880,554 is: 45,133,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,566 : 29,880,554 = 29,880,554 : x
  2. Step 2: Convert to fraction form
    19,782,566/29,880,554 = 29,880,554/x
  3. Step 3: Cross multiply
    19,782,566x = 29,880,554 × 29,880,554
  4. Step 4: Simplify right side
    19,782,566x = 892,847,507,346,916
  5. Step 5: Solve for x
    x = 892,847,507,346,916/19,782,566
  6. Step 6: Final answer
    x = 45,133,048.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.