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Finding the Third Proportional to 4,269,345 and 9,220,368

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Solution

The third proportional to 4,269,345 and 9,220,368 is: 19,912,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269,345 : 9,220,368 = 9,220,368 : x
  2. Step 2: Convert to fraction form
    4,269,345/9,220,368 = 9,220,368/x
  3. Step 3: Cross multiply
    4,269,345x = 9,220,368 × 9,220,368
  4. Step 4: Simplify right side
    4,269,345x = 85,015,186,055,424
  5. Step 5: Solve for x
    x = 85,015,186,055,424/4,269,345
  6. Step 6: Final answer
    x = 19,912,934.20

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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.