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Finding the Third Proportional to 431,236,722 and 938,030,579

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Solution

The third proportional to 431,236,722 and 938,030,579 is: 2,040,413,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,236,722 : 938,030,579 = 938,030,579 : x
  2. Step 2: Convert to fraction form
    431,236,722/938,030,579 = 938,030,579/x
  3. Step 3: Cross multiply
    431,236,722x = 938,030,579 × 938,030,579
  4. Step 4: Simplify right side
    431,236,722x = 879,901,367,139,075,200
  5. Step 5: Solve for x
    x = 879,901,367,139,075,200/431,236,722
  6. Step 6: Final answer
    x = 2,040,413,819.72

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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.