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Finding the Third Proportional to 188,316,267 and 399,033,732

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Solution

The third proportional to 188,316,267 and 399,033,732 is: 845,534,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,316,267 : 399,033,732 = 399,033,732 : x
  2. Step 2: Convert to fraction form
    188,316,267/399,033,732 = 399,033,732/x
  3. Step 3: Cross multiply
    188,316,267x = 399,033,732 × 399,033,732
  4. Step 4: Simplify right side
    188,316,267x = 159,227,919,273,847,808
  5. Step 5: Solve for x
    x = 159,227,919,273,847,808/188,316,267
  6. Step 6: Final answer
    x = 845,534,598.85

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.