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Finding the Third Proportional to 13,919,148 and 21,294,738

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Solution

The third proportional to 13,919,148 and 21,294,738 is: 32,578,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919,148 : 21,294,738 = 21,294,738 : x
  2. Step 2: Convert to fraction form
    13,919,148/21,294,738 = 21,294,738/x
  3. Step 3: Cross multiply
    13,919,148x = 21,294,738 × 21,294,738
  4. Step 4: Simplify right side
    13,919,148x = 453,465,866,488,644
  5. Step 5: Solve for x
    x = 453,465,866,488,644/13,919,148
  6. Step 6: Final answer
    x = 32,578,564.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.