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Finding the Third Proportional to 21,008,815 and 45,698,594

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Solution

The third proportional to 21,008,815 and 45,698,594 is: 99,404,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,815 : 45,698,594 = 45,698,594 : x
  2. Step 2: Convert to fraction form
    21,008,815/45,698,594 = 45,698,594/x
  3. Step 3: Cross multiply
    21,008,815x = 45,698,594 × 45,698,594
  4. Step 4: Simplify right side
    21,008,815x = 2,088,361,493,576,836
  5. Step 5: Solve for x
    x = 2,088,361,493,576,836/21,008,815
  6. Step 6: Final answer
    x = 99,404,059.37

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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.