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Finding the Third Proportional to 288,776,875.25 and 630,471,508

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Solution

The third proportional to 288,776,875.25 and 630,471,508 is: 1,376,475,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,776,875.25 : 630,471,508 = 630,471,508 : x
  2. Step 2: Convert to fraction form
    288,776,875.25/630,471,508 = 630,471,508/x
  3. Step 3: Cross multiply
    288,776,875.25x = 630,471,508 × 630,471,508
  4. Step 4: Simplify right side
    288,776,875.25x = 397,494,322,399,794,048
  5. Step 5: Solve for x
    x = 397,494,322,399,794,048/288,776,875.25
  6. Step 6: Final answer
    x = 1,376,475,599.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.