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Finding the Third Proportional to 5,680,512.28 and 8,518,554.84

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Solution

The third proportional to 5,680,512.28 and 8,518,554.84 is: 12,774,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680,512.28 : 8,518,554.84 = 8,518,554.84 : x
  2. Step 2: Convert to fraction form
    5,680,512.28/8,518,554.84 = 8,518,554.84/x
  3. Step 3: Cross multiply
    5,680,512.28x = 8,518,554.84 × 8,518,554.84
  4. Step 4: Simplify right side
    5,680,512.28x = 72,565,776,625,976.59
  5. Step 5: Solve for x
    x = 72,565,776,625,976.59/5,680,512.28
  6. Step 6: Final answer
    x = 12,774,512.76

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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.