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Finding the Third Proportional to 328,954,456 and 731,438,336

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Solution

The third proportional to 328,954,456 and 731,438,336 is: 1,626,371,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,954,456 : 731,438,336 = 731,438,336 : x
  2. Step 2: Convert to fraction form
    328,954,456/731,438,336 = 731,438,336/x
  3. Step 3: Cross multiply
    328,954,456x = 731,438,336 × 731,438,336
  4. Step 4: Simplify right side
    328,954,456x = 535,002,039,370,448,896
  5. Step 5: Solve for x
    x = 535,002,039,370,448,896/328,954,456
  6. Step 6: Final answer
    x = 1,626,371,157.50

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.