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Finding the Third Proportional to 2,015,623,894.50 and 3,129,557,994

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Solution

The third proportional to 2,015,623,894.50 and 3,129,557,994 is: 4,859,107,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,623,894.50 : 3,129,557,994 = 3,129,557,994 : x
  2. Step 2: Convert to fraction form
    2,015,623,894.50/3,129,557,994 = 3,129,557,994/x
  3. Step 3: Cross multiply
    2,015,623,894.50x = 3,129,557,994 × 3,129,557,994
  4. Step 4: Simplify right side
    2,015,623,894.50x = 9,794,133,237,809,303,552
  5. Step 5: Solve for x
    x = 9,794,133,237,809,303,552/2,015,623,894.50
  6. Step 6: Final answer
    x = 4,859,107,527.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.