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Finding the Third Proportional to 11,861,721 and 25,898,778

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Solution

The third proportional to 11,861,721 and 25,898,778 is: 56,547,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861,721 : 25,898,778 = 25,898,778 : x
  2. Step 2: Convert to fraction form
    11,861,721/25,898,778 = 25,898,778/x
  3. Step 3: Cross multiply
    11,861,721x = 25,898,778 × 25,898,778
  4. Step 4: Simplify right side
    11,861,721x = 670,746,701,893,284
  5. Step 5: Solve for x
    x = 670,746,701,893,284/11,861,721
  6. Step 6: Final answer
    x = 56,547,165.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.