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Finding the Third Proportional to 103,640,868 and 154,890,102

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Solution

The third proportional to 103,640,868 and 154,890,102 is: 231,481,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640,868 : 154,890,102 = 154,890,102 : x
  2. Step 2: Convert to fraction form
    103,640,868/154,890,102 = 154,890,102/x
  3. Step 3: Cross multiply
    103,640,868x = 154,890,102 × 154,890,102
  4. Step 4: Simplify right side
    103,640,868x = 23,990,943,697,570,404
  5. Step 5: Solve for x
    x = 23,990,943,697,570,404/103,640,868
  6. Step 6: Final answer
    x = 231,481,501.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.