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Finding the Third Proportional to 118,574,527 and 256,939,568

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Solution

The third proportional to 118,574,527 and 256,939,568 is: 556,763,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,574,527 : 256,939,568 = 256,939,568 : x
  2. Step 2: Convert to fraction form
    118,574,527/256,939,568 = 256,939,568/x
  3. Step 3: Cross multiply
    118,574,527x = 256,939,568 × 256,939,568
  4. Step 4: Simplify right side
    118,574,527x = 66,017,941,604,026,624
  5. Step 5: Solve for x
    x = 66,017,941,604,026,624/118,574,527
  6. Step 6: Final answer
    x = 556,763,271.79

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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.