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Finding the Third Proportional to 21,019,152 and 45,279,600

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Solution

The third proportional to 21,019,152 and 45,279,600 is: 97,541,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,152 : 45,279,600 = 45,279,600 : x
  2. Step 2: Convert to fraction form
    21,019,152/45,279,600 = 45,279,600/x
  3. Step 3: Cross multiply
    21,019,152x = 45,279,600 × 45,279,600
  4. Step 4: Simplify right side
    21,019,152x = 2,050,242,176,160,000
  5. Step 5: Solve for x
    x = 2,050,242,176,160,000/21,019,152
  6. Step 6: Final answer
    x = 97,541,621.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.