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Finding the Third Proportional to 962,890 and 1,490,145

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Solution

The third proportional to 962,890 and 1,490,145 is: 2,306,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,890 : 1,490,145 = 1,490,145 : x
  2. Step 2: Convert to fraction form
    962,890/1,490,145 = 1,490,145/x
  3. Step 3: Cross multiply
    962,890x = 1,490,145 × 1,490,145
  4. Step 4: Simplify right side
    962,890x = 2,220,532,121,025
  5. Step 5: Solve for x
    x = 2,220,532,121,025/962,890
  6. Step 6: Final answer
    x = 2,306,111.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.