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Finding the Third Proportional to 690,480,152 and 1,478,902,912

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Solution

The third proportional to 690,480,152 and 1,478,902,912 is: 3,167,583,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,480,152 : 1,478,902,912 = 1,478,902,912 : x
  2. Step 2: Convert to fraction form
    690,480,152/1,478,902,912 = 1,478,902,912/x
  3. Step 3: Cross multiply
    690,480,152x = 1,478,902,912 × 1,478,902,912
  4. Step 4: Simplify right side
    690,480,152x = 2,187,153,823,122,079,744
  5. Step 5: Solve for x
    x = 2,187,153,823,122,079,744/690,480,152
  6. Step 6: Final answer
    x = 3,167,583,915.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.