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Finding the Third Proportional to 1,215,764,928 and 2,867,111,424

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Solution

The third proportional to 1,215,764,928 and 2,867,111,424 is: 6,761,445,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,764,928 : 2,867,111,424 = 2,867,111,424 : x
  2. Step 2: Convert to fraction form
    1,215,764,928/2,867,111,424 = 2,867,111,424/x
  3. Step 3: Cross multiply
    1,215,764,928x = 2,867,111,424 × 2,867,111,424
  4. Step 4: Simplify right side
    1,215,764,928x = 8,220,327,917,631,307,776
  5. Step 5: Solve for x
    x = 8,220,327,917,631,307,776/1,215,764,928
  6. Step 6: Final answer
    x = 6,761,445,184.27

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.