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Finding the Third Proportional to 605,914,814.50 and 921,089,221

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Solution

The third proportional to 605,914,814.50 and 921,089,221 is: 1,400,205,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,914,814.50 : 921,089,221 = 921,089,221 : x
  2. Step 2: Convert to fraction form
    605,914,814.50/921,089,221 = 921,089,221/x
  3. Step 3: Cross multiply
    605,914,814.50x = 921,089,221 × 921,089,221
  4. Step 4: Simplify right side
    605,914,814.50x = 848,405,353,042,386,816
  5. Step 5: Solve for x
    x = 848,405,353,042,386,816/605,914,814.50
  6. Step 6: Final answer
    x = 1,400,205,660.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.