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Finding the Third Proportional to 12,987,706 and 28,236,056

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Solution

The third proportional to 12,987,706 and 28,236,056 is: 61,386,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987,706 : 28,236,056 = 28,236,056 : x
  2. Step 2: Convert to fraction form
    12,987,706/28,236,056 = 28,236,056/x
  3. Step 3: Cross multiply
    12,987,706x = 28,236,056 × 28,236,056
  4. Step 4: Simplify right side
    12,987,706x = 797,274,858,435,136
  5. Step 5: Solve for x
    x = 797,274,858,435,136/12,987,706
  6. Step 6: Final answer
    x = 61,386,888.37

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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.