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Finding the Third Proportional to 282,159 and 603,143

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Solution

The third proportional to 282,159 and 603,143 is: 1,289,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,159 : 603,143 = 603,143 : x
  2. Step 2: Convert to fraction form
    282,159/603,143 = 603,143/x
  3. Step 3: Cross multiply
    282,159x = 603,143 × 603,143
  4. Step 4: Simplify right side
    282,159x = 363,781,478,449
  5. Step 5: Solve for x
    x = 363,781,478,449/282,159
  6. Step 6: Final answer
    x = 1,289,278.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.