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Finding the Third Proportional to 164,741,128.50 and 361,132,521

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Solution

The third proportional to 164,741,128.50 and 361,132,521 is: 791,646,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,741,128.50 : 361,132,521 = 361,132,521 : x
  2. Step 2: Convert to fraction form
    164,741,128.50/361,132,521 = 361,132,521/x
  3. Step 3: Cross multiply
    164,741,128.50x = 361,132,521 × 361,132,521
  4. Step 4: Simplify right side
    164,741,128.50x = 130,416,697,723,815,440
  5. Step 5: Solve for x
    x = 130,416,697,723,815,440/164,741,128.50
  6. Step 6: Final answer
    x = 791,646,256.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.