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Finding the Third Proportional to 80,927,486 and 121,393,818

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Solution

The third proportional to 80,927,486 and 121,393,818 is: 182,094,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,927,486 : 121,393,818 = 121,393,818 : x
  2. Step 2: Convert to fraction form
    80,927,486/121,393,818 = 121,393,818/x
  3. Step 3: Cross multiply
    80,927,486x = 121,393,818 × 121,393,818
  4. Step 4: Simplify right side
    80,927,486x = 14,736,459,048,617,124
  5. Step 5: Solve for x
    x = 14,736,459,048,617,124/80,927,486
  6. Step 6: Final answer
    x = 182,094,610.58

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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.