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Finding the Third Proportional to 4,115,393 and 9,045,490

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Solution

The third proportional to 4,115,393 and 9,045,490 is: 19,881,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,393 : 9,045,490 = 9,045,490 : x
  2. Step 2: Convert to fraction form
    4,115,393/9,045,490 = 9,045,490/x
  3. Step 3: Cross multiply
    4,115,393x = 9,045,490 × 9,045,490
  4. Step 4: Simplify right side
    4,115,393x = 81,820,889,340,100
  5. Step 5: Solve for x
    x = 81,820,889,340,100/4,115,393
  6. Step 6: Final answer
    x = 19,881,670.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.