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Finding the Third Proportional to 30,856,036 and 66,355,802

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Solution

The third proportional to 30,856,036 and 66,355,802 is: 142,697,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856,036 : 66,355,802 = 66,355,802 : x
  2. Step 2: Convert to fraction form
    30,856,036/66,355,802 = 66,355,802/x
  3. Step 3: Cross multiply
    30,856,036x = 66,355,802 × 66,355,802
  4. Step 4: Simplify right side
    30,856,036x = 4,403,092,459,063,204
  5. Step 5: Solve for x
    x = 4,403,092,459,063,204/30,856,036
  6. Step 6: Final answer
    x = 142,697,929.80

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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.