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Finding the Third Proportional to 7,778,790 and 16,803,927

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Solution

The third proportional to 7,778,790 and 16,803,927 is: 36,300,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,790 : 16,803,927 = 16,803,927 : x
  2. Step 2: Convert to fraction form
    7,778,790/16,803,927 = 16,803,927/x
  3. Step 3: Cross multiply
    7,778,790x = 16,803,927 × 16,803,927
  4. Step 4: Simplify right side
    7,778,790x = 282,371,962,621,329
  5. Step 5: Solve for x
    x = 282,371,962,621,329/7,778,790
  6. Step 6: Final answer
    x = 36,300,242.41

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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.