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Finding the Third Proportional to 19,141,520 and 29,421,890

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Solution

The third proportional to 19,141,520 and 29,421,890 is: 45,223,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,520 : 29,421,890 = 29,421,890 : x
  2. Step 2: Convert to fraction form
    19,141,520/29,421,890 = 29,421,890/x
  3. Step 3: Cross multiply
    19,141,520x = 29,421,890 × 29,421,890
  4. Step 4: Simplify right side
    19,141,520x = 865,647,611,172,100
  5. Step 5: Solve for x
    x = 865,647,611,172,100/19,141,520
  6. Step 6: Final answer
    x = 45,223,556.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.