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Finding the Third Proportional to 445,020 and 986,130

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Solution

The third proportional to 445,020 and 986,130 is: 2,185,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,020 : 986,130 = 986,130 : x
  2. Step 2: Convert to fraction form
    445,020/986,130 = 986,130/x
  3. Step 3: Cross multiply
    445,020x = 986,130 × 986,130
  4. Step 4: Simplify right side
    445,020x = 972,452,376,900
  5. Step 5: Solve for x
    x = 972,452,376,900/445,020
  6. Step 6: Final answer
    x = 2,185,188.03

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.