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Finding the Third Proportional to 980,739.56 and 2,116,301.06

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Solution

The third proportional to 980,739.56 and 2,116,301.06 is: 4,566,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,739.56 : 2,116,301.06 = 2,116,301.06 : x
  2. Step 2: Convert to fraction form
    980,739.56/2,116,301.06 = 2,116,301.06/x
  3. Step 3: Cross multiply
    980,739.56x = 2,116,301.06 × 2,116,301.06
  4. Step 4: Simplify right side
    980,739.56x = 4,478,730,187,138.63
  5. Step 5: Solve for x
    x = 4,478,730,187,138.63/980,739.56
  6. Step 6: Final answer
    x = 4,566,686.57

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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.