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Finding the Third Proportional to 54,390,771 and 84,343,416.75

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Solution

The third proportional to 54,390,771 and 84,343,416.75 is: 130,790,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390,771 : 84,343,416.75 = 84,343,416.75 : x
  2. Step 2: Convert to fraction form
    54,390,771/84,343,416.75 = 84,343,416.75/x
  3. Step 3: Cross multiply
    54,390,771x = 84,343,416.75 × 84,343,416.75
  4. Step 4: Simplify right side
    54,390,771x = 7,113,811,949,064,181
  5. Step 5: Solve for x
    x = 7,113,811,949,064,181/54,390,771
  6. Step 6: Final answer
    x = 130,790,790.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.