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Finding the Third Proportional to 869,378,222 and 1,300,620,617

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Solution

The third proportional to 869,378,222 and 1,300,620,617 is: 1,945,774,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,378,222 : 1,300,620,617 = 1,300,620,617 : x
  2. Step 2: Convert to fraction form
    869,378,222/1,300,620,617 = 1,300,620,617/x
  3. Step 3: Cross multiply
    869,378,222x = 1,300,620,617 × 1,300,620,617
  4. Step 4: Simplify right side
    869,378,222x = 1,691,613,989,365,460,736
  5. Step 5: Solve for x
    x = 1,691,613,989,365,460,736/869,378,222
  6. Step 6: Final answer
    x = 1,945,774,516.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.