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Finding the Third Proportional to 293,360,819 and 621,697,098

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Solution

The third proportional to 293,360,819 and 621,697,098 is: 1,317,515,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,360,819 : 621,697,098 = 621,697,098 : x
  2. Step 2: Convert to fraction form
    293,360,819/621,697,098 = 621,697,098/x
  3. Step 3: Cross multiply
    293,360,819x = 621,697,098 × 621,697,098
  4. Step 4: Simplify right side
    293,360,819x = 386,507,281,661,621,632
  5. Step 5: Solve for x
    x = 386,507,281,661,621,632/293,360,819
  6. Step 6: Final answer
    x = 1,317,515,007.56

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.