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Finding the Third Proportional to 1,289,008.69 and 2,799,699.19

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Solution

The third proportional to 1,289,008.69 and 2,799,699.19 is: 6,080,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,008.69 : 2,799,699.19 = 2,799,699.19 : x
  2. Step 2: Convert to fraction form
    1,289,008.69/2,799,699.19 = 2,799,699.19/x
  3. Step 3: Cross multiply
    1,289,008.69x = 2,799,699.19 × 2,799,699.19
  4. Step 4: Simplify right side
    1,289,008.69x = 7,838,315,540,488.16
  5. Step 5: Solve for x
    x = 7,838,315,540,488.16/1,289,008.69
  6. Step 6: Final answer
    x = 6,080,886.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.