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Finding the Third Proportional to 14,653,630 and 21,540,939

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Solution

The third proportional to 14,653,630 and 21,540,939 is: 31,665,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653,630 : 21,540,939 = 21,540,939 : x
  2. Step 2: Convert to fraction form
    14,653,630/21,540,939 = 21,540,939/x
  3. Step 3: Cross multiply
    14,653,630x = 21,540,939 × 21,540,939
  4. Step 4: Simplify right side
    14,653,630x = 464,012,053,001,721
  5. Step 5: Solve for x
    x = 464,012,053,001,721/14,653,630
  6. Step 6: Final answer
    x = 31,665,331.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.