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Finding the Third Proportional to 54,870,840 and 80,246,403

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Solution

The third proportional to 54,870,840 and 80,246,403 is: 117,357,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870,840 : 80,246,403 = 80,246,403 : x
  2. Step 2: Convert to fraction form
    54,870,840/80,246,403 = 80,246,403/x
  3. Step 3: Cross multiply
    54,870,840x = 80,246,403 × 80,246,403
  4. Step 4: Simplify right side
    54,870,840x = 6,439,485,194,438,409
  5. Step 5: Solve for x
    x = 6,439,485,194,438,409/54,870,840
  6. Step 6: Final answer
    x = 117,357,146.24

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.