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Finding the Third Proportional to 21,255,708 and 29,825,946

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Solution

The third proportional to 21,255,708 and 29,825,946 is: 41,851,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255,708 : 29,825,946 = 29,825,946 : x
  2. Step 2: Convert to fraction form
    21,255,708/29,825,946 = 29,825,946/x
  3. Step 3: Cross multiply
    21,255,708x = 29,825,946 × 29,825,946
  4. Step 4: Simplify right side
    21,255,708x = 889,587,054,794,916
  5. Step 5: Solve for x
    x = 889,587,054,794,916/21,255,708
  6. Step 6: Final answer
    x = 41,851,678.37

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.