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Finding the Third Proportional to 9,974,380 and 21,543,080

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Solution

The third proportional to 9,974,380 and 21,543,080 is: 46,529,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974,380 : 21,543,080 = 21,543,080 : x
  2. Step 2: Convert to fraction form
    9,974,380/21,543,080 = 21,543,080/x
  3. Step 3: Cross multiply
    9,974,380x = 21,543,080 × 21,543,080
  4. Step 4: Simplify right side
    9,974,380x = 464,104,295,886,400
  5. Step 5: Solve for x
    x = 464,104,295,886,400/9,974,380
  6. Step 6: Final answer
    x = 46,529,638.52

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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.