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Finding the Third Proportional to 8,565,512 and 12,920,844

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Solution

The third proportional to 8,565,512 and 12,920,844 is: 19,490,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565,512 : 12,920,844 = 12,920,844 : x
  2. Step 2: Convert to fraction form
    8,565,512/12,920,844 = 12,920,844/x
  3. Step 3: Cross multiply
    8,565,512x = 12,920,844 × 12,920,844
  4. Step 4: Simplify right side
    8,565,512x = 166,948,209,672,336
  5. Step 5: Solve for x
    x = 166,948,209,672,336/8,565,512
  6. Step 6: Final answer
    x = 19,490,744.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.