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Finding the Third Proportional to 30,256,878 and 45,416,277

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Solution

The third proportional to 30,256,878 and 45,416,277 is: 68,170,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256,878 : 45,416,277 = 45,416,277 : x
  2. Step 2: Convert to fraction form
    30,256,878/45,416,277 = 45,416,277/x
  3. Step 3: Cross multiply
    30,256,878x = 45,416,277 × 45,416,277
  4. Step 4: Simplify right side
    30,256,878x = 2,062,638,216,540,729
  5. Step 5: Solve for x
    x = 2,062,638,216,540,729/30,256,878
  6. Step 6: Final answer
    x = 68,170,887.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.