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Finding the Third Proportional to 76,760,375 and 109,768,240

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Solution

The third proportional to 76,760,375 and 109,768,240 is: 156,969,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,760,375 : 109,768,240 = 109,768,240 : x
  2. Step 2: Convert to fraction form
    76,760,375/109,768,240 = 109,768,240/x
  3. Step 3: Cross multiply
    76,760,375x = 109,768,240 × 109,768,240
  4. Step 4: Simplify right side
    76,760,375x = 12,049,066,512,697,600
  5. Step 5: Solve for x
    x = 12,049,066,512,697,600/76,760,375
  6. Step 6: Final answer
    x = 156,969,875.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.