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Finding the Third Proportional to 27,948,120 and 61,109,820

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Solution

The third proportional to 27,948,120 and 61,109,820 is: 133,619,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948,120 : 61,109,820 = 61,109,820 : x
  2. Step 2: Convert to fraction form
    27,948,120/61,109,820 = 61,109,820/x
  3. Step 3: Cross multiply
    27,948,120x = 61,109,820 × 61,109,820
  4. Step 4: Simplify right side
    27,948,120x = 3,734,410,100,432,400
  5. Step 5: Solve for x
    x = 3,734,410,100,432,400/27,948,120
  6. Step 6: Final answer
    x = 133,619,366.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.