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Finding the Third Proportional to 153,715,822 and 331,925,223

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Solution

The third proportional to 153,715,822 and 331,925,223 is: 716,740,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,715,822 : 331,925,223 = 331,925,223 : x
  2. Step 2: Convert to fraction form
    153,715,822/331,925,223 = 331,925,223/x
  3. Step 3: Cross multiply
    153,715,822x = 331,925,223 × 331,925,223
  4. Step 4: Simplify right side
    153,715,822x = 110,174,353,663,599,728
  5. Step 5: Solve for x
    x = 110,174,353,663,599,728/153,715,822
  6. Step 6: Final answer
    x = 716,740,490.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.