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Finding the Third Proportional to 300,890,443 and 655,197,806

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Solution

The third proportional to 300,890,443 and 655,197,806 is: 1,426,712,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,890,443 : 655,197,806 = 655,197,806 : x
  2. Step 2: Convert to fraction form
    300,890,443/655,197,806 = 655,197,806/x
  3. Step 3: Cross multiply
    300,890,443x = 655,197,806 × 655,197,806
  4. Step 4: Simplify right side
    300,890,443x = 429,284,164,987,213,632
  5. Step 5: Solve for x
    x = 429,284,164,987,213,632/300,890,443
  6. Step 6: Final answer
    x = 1,426,712,529.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.