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Finding the Third Proportional to 1,268,871,239 and 1,939,776,906

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Solution

The third proportional to 1,268,871,239 and 1,939,776,906 is: 2,965,418,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,871,239 : 1,939,776,906 = 1,939,776,906 : x
  2. Step 2: Convert to fraction form
    1,268,871,239/1,939,776,906 = 1,939,776,906/x
  3. Step 3: Cross multiply
    1,268,871,239x = 1,939,776,906 × 1,939,776,906
  4. Step 4: Simplify right side
    1,268,871,239x = 3,762,734,445,050,932,736
  5. Step 5: Solve for x
    x = 3,762,734,445,050,932,736/1,268,871,239
  6. Step 6: Final answer
    x = 2,965,418,656.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.