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Finding the Third Proportional to 818,215,088 and 1,789,482,268

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Solution

The third proportional to 818,215,088 and 1,789,482,268 is: 3,913,698,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,215,088 : 1,789,482,268 = 1,789,482,268 : x
  2. Step 2: Convert to fraction form
    818,215,088/1,789,482,268 = 1,789,482,268/x
  3. Step 3: Cross multiply
    818,215,088x = 1,789,482,268 × 1,789,482,268
  4. Step 4: Simplify right side
    818,215,088x = 3,202,246,787,486,424,064
  5. Step 5: Solve for x
    x = 3,202,246,787,486,424,064/818,215,088
  6. Step 6: Final answer
    x = 3,913,698,041.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.