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Finding the Third Proportional to 561,519,621 and 1,211,823,018

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Solution

The third proportional to 561,519,621 and 1,211,823,018 is: 2,615,251,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,519,621 : 1,211,823,018 = 1,211,823,018 : x
  2. Step 2: Convert to fraction form
    561,519,621/1,211,823,018 = 1,211,823,018/x
  3. Step 3: Cross multiply
    561,519,621x = 1,211,823,018 × 1,211,823,018
  4. Step 4: Simplify right side
    561,519,621x = 1,468,515,026,954,628,352
  5. Step 5: Solve for x
    x = 1,468,515,026,954,628,352/561,519,621
  6. Step 6: Final answer
    x = 2,615,251,492.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.