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Finding the Third Proportional to 3,315,173 and 5,119,208

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Solution

The third proportional to 3,315,173 and 5,119,208 is: 7,904,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,173 : 5,119,208 = 5,119,208 : x
  2. Step 2: Convert to fraction form
    3,315,173/5,119,208 = 5,119,208/x
  3. Step 3: Cross multiply
    3,315,173x = 5,119,208 × 5,119,208
  4. Step 4: Simplify right side
    3,315,173x = 26,206,290,547,264
  5. Step 5: Solve for x
    x = 26,206,290,547,264/3,315,173
  6. Step 6: Final answer
    x = 7,904,954.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.