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Finding the Third Proportional to 29,121,907 and 63,194,102

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Solution

The third proportional to 29,121,907 and 63,194,102 is: 137,130,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,907 : 63,194,102 = 63,194,102 : x
  2. Step 2: Convert to fraction form
    29,121,907/63,194,102 = 63,194,102/x
  3. Step 3: Cross multiply
    29,121,907x = 63,194,102 × 63,194,102
  4. Step 4: Simplify right side
    29,121,907x = 3,993,494,527,586,404
  5. Step 5: Solve for x
    x = 3,993,494,527,586,404/29,121,907
  6. Step 6: Final answer
    x = 137,130,254.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.