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Finding the Third Proportional to 8,668,838 and 12,751,884

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Solution

The third proportional to 8,668,838 and 12,751,884 is: 18,758,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,838 : 12,751,884 = 12,751,884 : x
  2. Step 2: Convert to fraction form
    8,668,838/12,751,884 = 12,751,884/x
  3. Step 3: Cross multiply
    8,668,838x = 12,751,884 × 12,751,884
  4. Step 4: Simplify right side
    8,668,838x = 162,610,545,549,456
  5. Step 5: Solve for x
    x = 162,610,545,549,456/8,668,838
  6. Step 6: Final answer
    x = 18,758,055.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.