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Finding the Third Proportional to 30,787,596 and 66,456,576

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Solution

The third proportional to 30,787,596 and 66,456,576 is: 143,449,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787,596 : 66,456,576 = 66,456,576 : x
  2. Step 2: Convert to fraction form
    30,787,596/66,456,576 = 66,456,576/x
  3. Step 3: Cross multiply
    30,787,596x = 66,456,576 × 66,456,576
  4. Step 4: Simplify right side
    30,787,596x = 4,416,476,493,643,776
  5. Step 5: Solve for x
    x = 4,416,476,493,643,776/30,787,596
  6. Step 6: Final answer
    x = 143,449,865.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.