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Finding the Third Proportional to 74,175,640 and 150,447,478

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Solution

The third proportional to 74,175,640 and 150,447,478 is: 305,146,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175,640 : 150,447,478 = 150,447,478 : x
  2. Step 2: Convert to fraction form
    74,175,640/150,447,478 = 150,447,478/x
  3. Step 3: Cross multiply
    74,175,640x = 150,447,478 × 150,447,478
  4. Step 4: Simplify right side
    74,175,640x = 22,634,443,636,560,484
  5. Step 5: Solve for x
    x = 22,634,443,636,560,484/74,175,640
  6. Step 6: Final answer
    x = 305,146,590.40

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.