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Finding the Third Proportional to 1,162,853,906 and 1,787,386,980

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Solution

The third proportional to 1,162,853,906 and 1,787,386,980 is: 2,747,337,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,853,906 : 1,787,386,980 = 1,787,386,980 : x
  2. Step 2: Convert to fraction form
    1,162,853,906/1,787,386,980 = 1,787,386,980/x
  3. Step 3: Cross multiply
    1,162,853,906x = 1,787,386,980 × 1,787,386,980
  4. Step 4: Simplify right side
    1,162,853,906x = 3,194,752,216,273,520,640
  5. Step 5: Solve for x
    x = 3,194,752,216,273,520,640/1,162,853,906
  6. Step 6: Final answer
    x = 2,747,337,563.03

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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.