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Finding the Third Proportional to 45,916,218 and 100,789,308

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Solution

The third proportional to 45,916,218 and 100,789,308 is: 221,239,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916,218 : 100,789,308 = 100,789,308 : x
  2. Step 2: Convert to fraction form
    45,916,218/100,789,308 = 100,789,308/x
  3. Step 3: Cross multiply
    45,916,218x = 100,789,308 × 100,789,308
  4. Step 4: Simplify right side
    45,916,218x = 10,158,484,607,118,864
  5. Step 5: Solve for x
    x = 10,158,484,607,118,864/45,916,218
  6. Step 6: Final answer
    x = 221,239,576.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.