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Finding the Third Proportional to 7,778,761 and 16,803,866

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Solution

The third proportional to 7,778,761 and 16,803,866 is: 36,300,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,761 : 16,803,866 = 16,803,866 : x
  2. Step 2: Convert to fraction form
    7,778,761/16,803,866 = 16,803,866/x
  3. Step 3: Cross multiply
    7,778,761x = 16,803,866 × 16,803,866
  4. Step 4: Simplify right side
    7,778,761x = 282,369,912,545,956
  5. Step 5: Solve for x
    x = 282,369,912,545,956/7,778,761
  6. Step 6: Final answer
    x = 36,300,114.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.