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Finding the Third Proportional to 118,574,576 and 256,939,672

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Solution

The third proportional to 118,574,576 and 256,939,672 is: 556,763,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,574,576 : 256,939,672 = 256,939,672 : x
  2. Step 2: Convert to fraction form
    118,574,576/256,939,672 = 256,939,672/x
  3. Step 3: Cross multiply
    118,574,576x = 256,939,672 × 256,939,672
  4. Step 4: Simplify right side
    118,574,576x = 66,017,995,047,467,584
  5. Step 5: Solve for x
    x = 66,017,995,047,467,584/118,574,576
  6. Step 6: Final answer
    x = 556,763,492.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.