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Finding the Third Proportional to 21,705,921 and 34,551,481.50

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Solution

The third proportional to 21,705,921 and 34,551,481.50 is: 54,999,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,921 : 34,551,481.50 = 34,551,481.50 : x
  2. Step 2: Convert to fraction form
    21,705,921/34,551,481.50 = 34,551,481.50/x
  3. Step 3: Cross multiply
    21,705,921x = 34,551,481.50 × 34,551,481.50
  4. Step 4: Simplify right side
    21,705,921x = 1,193,804,873,844,842.25
  5. Step 5: Solve for x
    x = 1,193,804,873,844,842.25/21,705,921
  6. Step 6: Final answer
    x = 54,999,042.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.