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Finding the Third Proportional to 279,889,845 and 607,355,324

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Solution

The third proportional to 279,889,845 and 607,355,324 is: 1,317,948,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,889,845 : 607,355,324 = 607,355,324 : x
  2. Step 2: Convert to fraction form
    279,889,845/607,355,324 = 607,355,324/x
  3. Step 3: Cross multiply
    279,889,845x = 607,355,324 × 607,355,324
  4. Step 4: Simplify right side
    279,889,845x = 368,880,489,591,144,960
  5. Step 5: Solve for x
    x = 368,880,489,591,144,960/279,889,845
  6. Step 6: Final answer
    x = 1,317,948,815.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.