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Finding the Third Proportional to 5,718,883 and 8,915,937

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Solution

The third proportional to 5,718,883 and 8,915,937 is: 13,900,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,883 : 8,915,937 = 8,915,937 : x
  2. Step 2: Convert to fraction form
    5,718,883/8,915,937 = 8,915,937/x
  3. Step 3: Cross multiply
    5,718,883x = 8,915,937 × 8,915,937
  4. Step 4: Simplify right side
    5,718,883x = 79,493,932,587,969
  5. Step 5: Solve for x
    x = 79,493,932,587,969/5,718,883
  6. Step 6: Final answer
    x = 13,900,255.10

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.