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Finding the Third Proportional to 621,040.88 and 934,670.81

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Solution

The third proportional to 621,040.88 and 934,670.81 is: 1,406,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,040.88 : 934,670.81 = 934,670.81 : x
  2. Step 2: Convert to fraction form
    621,040.88/934,670.81 = 934,670.81/x
  3. Step 3: Cross multiply
    621,040.88x = 934,670.81 × 934,670.81
  4. Step 4: Simplify right side
    621,040.88x = 873,609,527,739.41
  5. Step 5: Solve for x
    x = 873,609,527,739.41/621,040.88
  6. Step 6: Final answer
    x = 1,406,686.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.