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Finding the Third Proportional to 310,843,469 and 680,090,086

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Solution

The third proportional to 310,843,469 and 680,090,086 is: 1,487,959,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,843,469 : 680,090,086 = 680,090,086 : x
  2. Step 2: Convert to fraction form
    310,843,469/680,090,086 = 680,090,086/x
  3. Step 3: Cross multiply
    310,843,469x = 680,090,086 × 680,090,086
  4. Step 4: Simplify right side
    310,843,469x = 462,522,525,075,487,424
  5. Step 5: Solve for x
    x = 462,522,525,075,487,424/310,843,469
  6. Step 6: Final answer
    x = 1,487,959,604.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.