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Finding the Third Proportional to 19,292,516 and 42,471,195

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Solution

The third proportional to 19,292,516 and 42,471,195 is: 93,497,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,516 : 42,471,195 = 42,471,195 : x
  2. Step 2: Convert to fraction form
    19,292,516/42,471,195 = 42,471,195/x
  3. Step 3: Cross multiply
    19,292,516x = 42,471,195 × 42,471,195
  4. Step 4: Simplify right side
    19,292,516x = 1,803,802,404,728,025
  5. Step 5: Solve for x
    x = 1,803,802,404,728,025/19,292,516
  6. Step 6: Final answer
    x = 93,497,520.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.