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Finding the Third Proportional to 114,931,988 and 255,373,128

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Solution

The third proportional to 114,931,988 and 255,373,128 is: 567,426,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,931,988 : 255,373,128 = 255,373,128 : x
  2. Step 2: Convert to fraction form
    114,931,988/255,373,128 = 255,373,128/x
  3. Step 3: Cross multiply
    114,931,988x = 255,373,128 × 255,373,128
  4. Step 4: Simplify right side
    114,931,988x = 65,215,434,504,504,384
  5. Step 5: Solve for x
    x = 65,215,434,504,504,384/114,931,988
  6. Step 6: Final answer
    x = 567,426,315.68

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.