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Finding the Third Proportional to 8,789,207 and 19,280,242

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Solution

The third proportional to 8,789,207 and 19,280,242 is: 42,293,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,207 : 19,280,242 = 19,280,242 : x
  2. Step 2: Convert to fraction form
    8,789,207/19,280,242 = 19,280,242/x
  3. Step 3: Cross multiply
    8,789,207x = 19,280,242 × 19,280,242
  4. Step 4: Simplify right side
    8,789,207x = 371,727,731,578,564
  5. Step 5: Solve for x
    x = 371,727,731,578,564/8,789,207
  6. Step 6: Final answer
    x = 42,293,659.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.