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Finding the Third Proportional to 127,478,094 and 281,752,428

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Solution

The third proportional to 127,478,094 and 281,752,428 is: 622,729,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,478,094 : 281,752,428 = 281,752,428 : x
  2. Step 2: Convert to fraction form
    127,478,094/281,752,428 = 281,752,428/x
  3. Step 3: Cross multiply
    127,478,094x = 281,752,428 × 281,752,428
  4. Step 4: Simplify right side
    127,478,094x = 79,384,430,683,895,184
  5. Step 5: Solve for x
    x = 79,384,430,683,895,184/127,478,094
  6. Step 6: Final answer
    x = 622,729,978.09

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.