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Finding the Third Proportional to 430,963,989.50 and 616,279,239

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Solution

The third proportional to 430,963,989.50 and 616,279,239 is: 881,280,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,963,989.50 : 616,279,239 = 616,279,239 : x
  2. Step 2: Convert to fraction form
    430,963,989.50/616,279,239 = 616,279,239/x
  3. Step 3: Cross multiply
    430,963,989.50x = 616,279,239 × 616,279,239
  4. Step 4: Simplify right side
    430,963,989.50x = 379,800,100,422,419,136
  5. Step 5: Solve for x
    x = 379,800,100,422,419,136/430,963,989.50
  6. Step 6: Final answer
    x = 881,280,361.41

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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.