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Finding the Third Proportional to 19,663,830 and 40,108,392

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Solution

The third proportional to 19,663,830 and 40,108,392 is: 81,809,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663,830 : 40,108,392 = 40,108,392 : x
  2. Step 2: Convert to fraction form
    19,663,830/40,108,392 = 40,108,392/x
  3. Step 3: Cross multiply
    19,663,830x = 40,108,392 × 40,108,392
  4. Step 4: Simplify right side
    19,663,830x = 1,608,683,108,825,664
  5. Step 5: Solve for x
    x = 1,608,683,108,825,664/19,663,830
  6. Step 6: Final answer
    x = 81,809,246.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.