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Finding the Third Proportional to 8,658,255 and 18,704,040

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Solution

The third proportional to 8,658,255 and 18,704,040 is: 40,405,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,255 : 18,704,040 = 18,704,040 : x
  2. Step 2: Convert to fraction form
    8,658,255/18,704,040 = 18,704,040/x
  3. Step 3: Cross multiply
    8,658,255x = 18,704,040 × 18,704,040
  4. Step 4: Simplify right side
    8,658,255x = 349,841,112,321,600
  5. Step 5: Solve for x
    x = 349,841,112,321,600/8,658,255
  6. Step 6: Final answer
    x = 40,405,498.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.