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Finding the Third Proportional to 8,516,713.50 and 12,771,942

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Solution

The third proportional to 8,516,713.50 and 12,771,942 is: 19,153,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,713.50 : 12,771,942 = 12,771,942 : x
  2. Step 2: Convert to fraction form
    8,516,713.50/12,771,942 = 12,771,942/x
  3. Step 3: Cross multiply
    8,516,713.50x = 12,771,942 × 12,771,942
  4. Step 4: Simplify right side
    8,516,713.50x = 163,122,502,451,364
  5. Step 5: Solve for x
    x = 163,122,502,451,364/8,516,713.50
  6. Step 6: Final answer
    x = 19,153,221.77

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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.