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Finding the Third Proportional to 84,779,153.72 and 182,548,867.22

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Solution

The third proportional to 84,779,153.72 and 182,548,867.22 is: 393,069,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,779,153.72 : 182,548,867.22 = 182,548,867.22 : x
  2. Step 2: Convert to fraction form
    84,779,153.72/182,548,867.22 = 182,548,867.22/x
  3. Step 3: Cross multiply
    84,779,153.72x = 182,548,867.22 × 182,548,867.22
  4. Step 4: Simplify right side
    84,779,153.72x = 33,324,088,922,848,820
  5. Step 5: Solve for x
    x = 33,324,088,922,848,820/84,779,153.72
  6. Step 6: Final answer
    x = 393,069,374.50

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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.