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Finding the Third Proportional to 18,866,200 and 29,921,892

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Solution

The third proportional to 18,866,200 and 29,921,892 is: 47,456,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,200 : 29,921,892 = 29,921,892 : x
  2. Step 2: Convert to fraction form
    18,866,200/29,921,892 = 29,921,892/x
  3. Step 3: Cross multiply
    18,866,200x = 29,921,892 × 29,921,892
  4. Step 4: Simplify right side
    18,866,200x = 895,319,620,859,664
  5. Step 5: Solve for x
    x = 895,319,620,859,664/18,866,200
  6. Step 6: Final answer
    x = 47,456,277.41

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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.