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Finding the Third Proportional to 128,443,320 and 183,098,232

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Solution

The third proportional to 128,443,320 and 183,098,232 is: 261,009,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,443,320 : 183,098,232 = 183,098,232 : x
  2. Step 2: Convert to fraction form
    128,443,320/183,098,232 = 183,098,232/x
  3. Step 3: Cross multiply
    128,443,320x = 183,098,232 × 183,098,232
  4. Step 4: Simplify right side
    128,443,320x = 33,524,962,561,525,824
  5. Step 5: Solve for x
    x = 33,524,962,561,525,824/128,443,320
  6. Step 6: Final answer
    x = 261,009,778.96

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.