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Finding the Third Proportional to 53,779,932 and 81,310,176

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Solution

The third proportional to 53,779,932 and 81,310,176 is: 122,933,303.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779,932 : 81,310,176 = 81,310,176 : x
  2. Step 2: Convert to fraction form
    53,779,932/81,310,176 = 81,310,176/x
  3. Step 3: Cross multiply
    53,779,932x = 81,310,176 × 81,310,176
  4. Step 4: Simplify right side
    53,779,932x = 6,611,344,721,150,976
  5. Step 5: Solve for x
    x = 6,611,344,721,150,976/53,779,932
  6. Step 6: Final answer
    x = 122,933,303.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.