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Finding the Third Proportional to 4,056,192 and 8,781,696

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Solution

The third proportional to 4,056,192 and 8,781,696 is: 19,012,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056,192 : 8,781,696 = 8,781,696 : x
  2. Step 2: Convert to fraction form
    4,056,192/8,781,696 = 8,781,696/x
  3. Step 3: Cross multiply
    4,056,192x = 8,781,696 × 8,781,696
  4. Step 4: Simplify right side
    4,056,192x = 77,118,184,636,416
  5. Step 5: Solve for x
    x = 77,118,184,636,416/4,056,192
  6. Step 6: Final answer
    x = 19,012,459.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.