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Finding the Third Proportional to 550,521 and 842,236.88

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Solution

The third proportional to 550,521 and 842,236.88 is: 1,288,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,521 : 842,236.88 = 842,236.88 : x
  2. Step 2: Convert to fraction form
    550,521/842,236.88 = 842,236.88/x
  3. Step 3: Cross multiply
    550,521x = 842,236.88 × 842,236.88
  4. Step 4: Simplify right side
    550,521x = 709,362,953,609.77
  5. Step 5: Solve for x
    x = 709,362,953,609.77/550,521
  6. Step 6: Final answer
    x = 1,288,530.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.