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Finding the Third Proportional to 1,019,574,469.13 and 1,574,401,308.19

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Solution

The third proportional to 1,019,574,469.13 and 1,574,401,308.19 is: 2,431,150,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,574,469.13 : 1,574,401,308.19 = 1,574,401,308.19 : x
  2. Step 2: Convert to fraction form
    1,019,574,469.13/1,574,401,308.19 = 1,574,401,308.19/x
  3. Step 3: Cross multiply
    1,019,574,469.13x = 1,574,401,308.19 × 1,574,401,308.19
  4. Step 4: Simplify right side
    1,019,574,469.13x = 2,478,739,479,222,511,104
  5. Step 5: Solve for x
    x = 2,478,739,479,222,511,104/1,019,574,469.13
  6. Step 6: Final answer
    x = 2,431,150,989.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.