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Finding the Third Proportional to 280,726,879 and 626,001,965

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Solution

The third proportional to 280,726,879 and 626,001,965 is: 1,395,942,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,726,879 : 626,001,965 = 626,001,965 : x
  2. Step 2: Convert to fraction form
    280,726,879/626,001,965 = 626,001,965/x
  3. Step 3: Cross multiply
    280,726,879x = 626,001,965 × 626,001,965
  4. Step 4: Simplify right side
    280,726,879x = 391,878,460,183,861,248
  5. Step 5: Solve for x
    x = 391,878,460,183,861,248/280,726,879
  6. Step 6: Final answer
    x = 1,395,942,068.60

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These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.