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Finding the Third Proportional to 30,363,984 and 66,118,923

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Solution

The third proportional to 30,363,984 and 66,118,923 is: 143,976,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,984 : 66,118,923 = 66,118,923 : x
  2. Step 2: Convert to fraction form
    30,363,984/66,118,923 = 66,118,923/x
  3. Step 3: Cross multiply
    30,363,984x = 66,118,923 × 66,118,923
  4. Step 4: Simplify right side
    30,363,984x = 4,371,711,978,679,929
  5. Step 5: Solve for x
    x = 4,371,711,978,679,929/30,363,984
  6. Step 6: Final answer
    x = 143,976,889.81

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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.