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Finding the Third Proportional to 54,520,162.88 and 81,820,156.50

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Solution

The third proportional to 54,520,162.88 and 81,820,156.50 is: 122,790,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520,162.88 : 81,820,156.50 = 81,820,156.50 : x
  2. Step 2: Convert to fraction form
    54,520,162.88/81,820,156.50 = 81,820,156.50/x
  3. Step 3: Cross multiply
    54,520,162.88x = 81,820,156.50 × 81,820,156.50
  4. Step 4: Simplify right side
    54,520,162.88x = 6,694,538,009,684,492
  5. Step 5: Solve for x
    x = 6,694,538,009,684,492/54,520,162.88
  6. Step 6: Final answer
    x = 122,790,132.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.