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Finding the Third Proportional to 918,331 and 1,986,255

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Solution

The third proportional to 918,331 and 1,986,255 is: 4,296,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,331 : 1,986,255 = 1,986,255 : x
  2. Step 2: Convert to fraction form
    918,331/1,986,255 = 1,986,255/x
  3. Step 3: Cross multiply
    918,331x = 1,986,255 × 1,986,255
  4. Step 4: Simplify right side
    918,331x = 3,945,208,925,025
  5. Step 5: Solve for x
    x = 3,945,208,925,025/918,331
  6. Step 6: Final answer
    x = 4,296,064.19

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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.