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Finding the Third Proportional to 74,722,250 and 164,154,988

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Solution

The third proportional to 74,722,250 and 164,154,988 is: 360,626,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,722,250 : 164,154,988 = 164,154,988 : x
  2. Step 2: Convert to fraction form
    74,722,250/164,154,988 = 164,154,988/x
  3. Step 3: Cross multiply
    74,722,250x = 164,154,988 × 164,154,988
  4. Step 4: Simplify right side
    74,722,250x = 26,946,860,085,280,144
  5. Step 5: Solve for x
    x = 26,946,860,085,280,144/74,722,250
  6. Step 6: Final answer
    x = 360,626,989.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.