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Finding the Third Proportional to 58,979,868.75 and 129,297,138.75

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Solution

The third proportional to 58,979,868.75 and 129,297,138.75 is: 283,448,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,979,868.75 : 129,297,138.75 = 129,297,138.75 : x
  2. Step 2: Convert to fraction form
    58,979,868.75/129,297,138.75 = 129,297,138.75/x
  3. Step 3: Cross multiply
    58,979,868.75x = 129,297,138.75 × 129,297,138.75
  4. Step 4: Simplify right side
    58,979,868.75x = 16,717,750,088,936,752
  5. Step 5: Solve for x
    x = 16,717,750,088,936,752/58,979,868.75
  6. Step 6: Final answer
    x = 283,448,411.18

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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.