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Finding the Third Proportional to 18,004,255 and 39,423,510

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Solution

The third proportional to 18,004,255 and 39,423,510 is: 86,324,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004,255 : 39,423,510 = 39,423,510 : x
  2. Step 2: Convert to fraction form
    18,004,255/39,423,510 = 39,423,510/x
  3. Step 3: Cross multiply
    18,004,255x = 39,423,510 × 39,423,510
  4. Step 4: Simplify right side
    18,004,255x = 1,554,213,140,720,100
  5. Step 5: Solve for x
    x = 1,554,213,140,720,100/18,004,255
  6. Step 6: Final answer
    x = 86,324,768.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.