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Finding the Third Proportional to 3,289,071,981 and 7,102,364,994

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Solution

The third proportional to 3,289,071,981 and 7,102,364,994 is: 15,336,723,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,071,981 : 7,102,364,994 = 7,102,364,994 : x
  2. Step 2: Convert to fraction form
    3,289,071,981/7,102,364,994 = 7,102,364,994/x
  3. Step 3: Cross multiply
    3,289,071,981x = 7,102,364,994 × 7,102,364,994
  4. Step 4: Simplify right side
    3,289,071,981x = 50,443,588,507,996,618,752
  5. Step 5: Solve for x
    x = 50,443,588,507,996,618,752/3,289,071,981
  6. Step 6: Final answer
    x = 15,336,723,793.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.