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Finding the Third Proportional to 21,011,170 and 46,008,148

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Solution

The third proportional to 21,011,170 and 46,008,148 is: 100,744,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,170 : 46,008,148 = 46,008,148 : x
  2. Step 2: Convert to fraction form
    21,011,170/46,008,148 = 46,008,148/x
  3. Step 3: Cross multiply
    21,011,170x = 46,008,148 × 46,008,148
  4. Step 4: Simplify right side
    21,011,170x = 2,116,749,682,389,904
  5. Step 5: Solve for x
    x = 2,116,749,682,389,904/21,011,170
  6. Step 6: Final answer
    x = 100,744,017.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.