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Finding the Third Proportional to 21,939,901.50 and 47,251,347

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Solution

The third proportional to 21,939,901.50 and 47,251,347 is: 101,763,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939,901.50 : 47,251,347 = 47,251,347 : x
  2. Step 2: Convert to fraction form
    21,939,901.50/47,251,347 = 47,251,347/x
  3. Step 3: Cross multiply
    21,939,901.50x = 47,251,347 × 47,251,347
  4. Step 4: Simplify right side
    21,939,901.50x = 2,232,689,793,314,409
  5. Step 5: Solve for x
    x = 2,232,689,793,314,409/21,939,901.50
  6. Step 6: Final answer
    x = 101,763,893.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.