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Finding the Third Proportional to 21,154,532 and 47,486,152

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Solution

The third proportional to 21,154,532 and 47,486,152 is: 106,593,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154,532 : 47,486,152 = 47,486,152 : x
  2. Step 2: Convert to fraction form
    21,154,532/47,486,152 = 47,486,152/x
  3. Step 3: Cross multiply
    21,154,532x = 47,486,152 × 47,486,152
  4. Step 4: Simplify right side
    21,154,532x = 2,254,934,631,767,104
  5. Step 5: Solve for x
    x = 2,254,934,631,767,104/21,154,532
  6. Step 6: Final answer
    x = 106,593,453.91

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.