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Finding the Third Proportional to 8,684,647.88 and 12,774,337.88

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Solution

The third proportional to 8,684,647.88 and 12,774,337.88 is: 18,789,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684,647.88 : 12,774,337.88 = 12,774,337.88 : x
  2. Step 2: Convert to fraction form
    8,684,647.88/12,774,337.88 = 12,774,337.88/x
  3. Step 3: Cross multiply
    8,684,647.88x = 12,774,337.88 × 12,774,337.88
  4. Step 4: Simplify right side
    8,684,647.88x = 163,183,708,144,659.50
  5. Step 5: Solve for x
    x = 163,183,708,144,659.50/8,684,647.88
  6. Step 6: Final answer
    x = 18,789,904.96

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.