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Finding the Third Proportional to 130,456,689 and 279,587,844

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Solution

The third proportional to 130,456,689 and 279,587,844 is: 599,197,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,456,689 : 279,587,844 = 279,587,844 : x
  2. Step 2: Convert to fraction form
    130,456,689/279,587,844 = 279,587,844/x
  3. Step 3: Cross multiply
    130,456,689x = 279,587,844 × 279,587,844
  4. Step 4: Simplify right side
    130,456,689x = 78,169,362,512,568,336
  5. Step 5: Solve for x
    x = 78,169,362,512,568,336/130,456,689
  6. Step 6: Final answer
    x = 599,197,811.26

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.