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Finding the Third Proportional to 52,894,980 and 81,736,222

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Solution

The third proportional to 52,894,980 and 81,736,222 is: 126,303,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894,980 : 81,736,222 = 81,736,222 : x
  2. Step 2: Convert to fraction form
    52,894,980/81,736,222 = 81,736,222/x
  3. Step 3: Cross multiply
    52,894,980x = 81,736,222 × 81,736,222
  4. Step 4: Simplify right side
    52,894,980x = 6,680,809,986,833,284
  5. Step 5: Solve for x
    x = 6,680,809,986,833,284/52,894,980
  6. Step 6: Final answer
    x = 126,303,289.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.