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Finding the Third Proportional to 221,018,292 and 481,247,460

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Solution

The third proportional to 221,018,292 and 481,247,460 is: 1,047,873,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,018,292 : 481,247,460 = 481,247,460 : x
  2. Step 2: Convert to fraction form
    221,018,292/481,247,460 = 481,247,460/x
  3. Step 3: Cross multiply
    221,018,292x = 481,247,460 × 481,247,460
  4. Step 4: Simplify right side
    221,018,292x = 231,599,117,756,451,584
  5. Step 5: Solve for x
    x = 231,599,117,756,451,584/221,018,292
  6. Step 6: Final answer
    x = 1,047,873,077.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.