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Finding the Third Proportional to 621,325,668 and 964,726,549.50

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Solution

The third proportional to 621,325,668 and 964,726,549.50 is: 1,497,921,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,325,668 : 964,726,549.50 = 964,726,549.50 : x
  2. Step 2: Convert to fraction form
    621,325,668/964,726,549.50 = 964,726,549.50/x
  3. Step 3: Cross multiply
    621,325,668x = 964,726,549.50 × 964,726,549.50
  4. Step 4: Simplify right side
    621,325,668x = 930,697,315,310,176,000
  5. Step 5: Solve for x
    x = 930,697,315,310,176,000/621,325,668
  6. Step 6: Final answer
    x = 1,497,921,884.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.