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Finding the Third Proportional to 12,619,824 and 18,908,352

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Solution

The third proportional to 12,619,824 and 18,908,352 is: 28,330,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,824 : 18,908,352 = 18,908,352 : x
  2. Step 2: Convert to fraction form
    12,619,824/18,908,352 = 18,908,352/x
  3. Step 3: Cross multiply
    12,619,824x = 18,908,352 × 18,908,352
  4. Step 4: Simplify right side
    12,619,824x = 357,525,775,355,904
  5. Step 5: Solve for x
    x = 357,525,775,355,904/12,619,824
  6. Step 6: Final answer
    x = 28,330,488.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.