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Finding the Third Proportional to 117,959,330 and 258,593,476

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Solution

The third proportional to 117,959,330 and 258,593,476 is: 566,895,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,959,330 : 258,593,476 = 258,593,476 : x
  2. Step 2: Convert to fraction form
    117,959,330/258,593,476 = 258,593,476/x
  3. Step 3: Cross multiply
    117,959,330x = 258,593,476 × 258,593,476
  4. Step 4: Simplify right side
    117,959,330x = 66,870,585,829,762,576
  5. Step 5: Solve for x
    x = 66,870,585,829,762,576/117,959,330
  6. Step 6: Final answer
    x = 566,895,266.61

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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.