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Finding the Third Proportional to 30,856,014 and 66,355,758

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Solution

The third proportional to 30,856,014 and 66,355,758 is: 142,697,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856,014 : 66,355,758 = 66,355,758 : x
  2. Step 2: Convert to fraction form
    30,856,014/66,355,758 = 66,355,758/x
  3. Step 3: Cross multiply
    30,856,014x = 66,355,758 × 66,355,758
  4. Step 4: Simplify right side
    30,856,014x = 4,403,086,619,754,564
  5. Step 5: Solve for x
    x = 4,403,086,619,754,564/30,856,014
  6. Step 6: Final answer
    x = 142,697,842.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.