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Finding the Third Proportional to 128,051,938 and 275,525,308

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Solution

The third proportional to 128,051,938 and 275,525,308 is: 592,839,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,051,938 : 275,525,308 = 275,525,308 : x
  2. Step 2: Convert to fraction form
    128,051,938/275,525,308 = 275,525,308/x
  3. Step 3: Cross multiply
    128,051,938x = 275,525,308 × 275,525,308
  4. Step 4: Simplify right side
    128,051,938x = 75,914,195,348,494,864
  5. Step 5: Solve for x
    x = 75,914,195,348,494,864/128,051,938
  6. Step 6: Final answer
    x = 592,839,097.43

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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.