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Finding the Third Proportional to 1,431,578 and 3,087,318

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Solution

The third proportional to 1,431,578 and 3,087,318 is: 6,658,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,578 : 3,087,318 = 3,087,318 : x
  2. Step 2: Convert to fraction form
    1,431,578/3,087,318 = 3,087,318/x
  3. Step 3: Cross multiply
    1,431,578x = 3,087,318 × 3,087,318
  4. Step 4: Simplify right side
    1,431,578x = 9,531,532,433,124
  5. Step 5: Solve for x
    x = 9,531,532,433,124/1,431,578
  6. Step 6: Final answer
    x = 6,658,060.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.