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Finding the Third Proportional to 3,121,539 and 6,839,582.25

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Solution

The third proportional to 3,121,539 and 6,839,582.25 is: 14,986,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,539 : 6,839,582.25 = 6,839,582.25 : x
  2. Step 2: Convert to fraction form
    3,121,539/6,839,582.25 = 6,839,582.25/x
  3. Step 3: Cross multiply
    3,121,539x = 6,839,582.25 × 6,839,582.25
  4. Step 4: Simplify right side
    3,121,539x = 46,779,885,354,515.06
  5. Step 5: Solve for x
    x = 46,779,885,354,515.06/3,121,539
  6. Step 6: Final answer
    x = 14,986,160.79

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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.