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Finding the Third Proportional to 4,453,766 and 9,758,720

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Solution

The third proportional to 4,453,766 and 9,758,720 is: 21,382,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453,766 : 9,758,720 = 9,758,720 : x
  2. Step 2: Convert to fraction form
    4,453,766/9,758,720 = 9,758,720/x
  3. Step 3: Cross multiply
    4,453,766x = 9,758,720 × 9,758,720
  4. Step 4: Simplify right side
    4,453,766x = 95,232,616,038,400
  5. Step 5: Solve for x
    x = 95,232,616,038,400/4,453,766
  6. Step 6: Final answer
    x = 21,382,492.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.