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Finding the Third Proportional to 129,339,276 and 195,351,726

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Solution

The third proportional to 129,339,276 and 195,351,726 is: 295,055,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,339,276 : 195,351,726 = 195,351,726 : x
  2. Step 2: Convert to fraction form
    129,339,276/195,351,726 = 195,351,726/x
  3. Step 3: Cross multiply
    129,339,276x = 195,351,726 × 195,351,726
  4. Step 4: Simplify right side
    129,339,276x = 38,162,296,851,179,072
  5. Step 5: Solve for x
    x = 38,162,296,851,179,072/129,339,276
  6. Step 6: Final answer
    x = 295,055,748.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.