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Finding the Third Proportional to 28,430,510 and 43,672,380

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Solution

The third proportional to 28,430,510 and 43,672,380 is: 67,085,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,510 : 43,672,380 = 43,672,380 : x
  2. Step 2: Convert to fraction form
    28,430,510/43,672,380 = 43,672,380/x
  3. Step 3: Cross multiply
    28,430,510x = 43,672,380 × 43,672,380
  4. Step 4: Simplify right side
    28,430,510x = 1,907,276,774,864,400
  5. Step 5: Solve for x
    x = 1,907,276,774,864,400/28,430,510
  6. Step 6: Final answer
    x = 67,085,563.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.