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Finding the Third Proportional to 21,011,172 and 46,008,152

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Solution

The third proportional to 21,011,172 and 46,008,152 is: 100,744,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,172 : 46,008,152 = 46,008,152 : x
  2. Step 2: Convert to fraction form
    21,011,172/46,008,152 = 46,008,152/x
  3. Step 3: Cross multiply
    21,011,172x = 46,008,152 × 46,008,152
  4. Step 4: Simplify right side
    21,011,172x = 2,116,750,050,455,104
  5. Step 5: Solve for x
    x = 2,116,750,050,455,104/21,011,172
  6. Step 6: Final answer
    x = 100,744,025.63

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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.