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Finding the Third Proportional to 620,868.80 and 834,374.67

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Solution

The third proportional to 620,868.80 and 834,374.67 is: 1,121,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,868.80 : 834,374.67 = 834,374.67 : x
  2. Step 2: Convert to fraction form
    620,868.80/834,374.67 = 834,374.67/x
  3. Step 3: Cross multiply
    620,868.80x = 834,374.67 × 834,374.67
  4. Step 4: Simplify right side
    620,868.80x = 696,181,093,066.51
  5. Step 5: Solve for x
    x = 696,181,093,066.51/620,868.80
  6. Step 6: Final answer
    x = 1,121,301.47

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.