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Finding the Third Proportional to 20,176,534 and 28,311,672

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Solution

The third proportional to 20,176,534 and 28,311,672 is: 39,726,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,534 : 28,311,672 = 28,311,672 : x
  2. Step 2: Convert to fraction form
    20,176,534/28,311,672 = 28,311,672/x
  3. Step 3: Cross multiply
    20,176,534x = 28,311,672 × 28,311,672
  4. Step 4: Simplify right side
    20,176,534x = 801,550,771,435,584
  5. Step 5: Solve for x
    x = 801,550,771,435,584/20,176,534
  6. Step 6: Final answer
    x = 39,726,881.31

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.