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Finding the Third Proportional to 58,979,914 and 129,297,290

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Solution

The third proportional to 58,979,914 and 129,297,290 is: 283,448,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,979,914 : 129,297,290 = 129,297,290 : x
  2. Step 2: Convert to fraction form
    58,979,914/129,297,290 = 129,297,290/x
  3. Step 3: Cross multiply
    58,979,914x = 129,297,290 × 129,297,290
  4. Step 4: Simplify right side
    58,979,914x = 16,717,789,201,344,100
  5. Step 5: Solve for x
    x = 16,717,789,201,344,100/58,979,914
  6. Step 6: Final answer
    x = 283,448,856.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.