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Finding the Third Proportional to 666,207 and 1,446,129

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Solution

The third proportional to 666,207 and 1,446,129 is: 3,139,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,207 : 1,446,129 = 1,446,129 : x
  2. Step 2: Convert to fraction form
    666,207/1,446,129 = 1,446,129/x
  3. Step 3: Cross multiply
    666,207x = 1,446,129 × 1,446,129
  4. Step 4: Simplify right side
    666,207x = 2,091,289,084,641
  5. Step 5: Solve for x
    x = 2,091,289,084,641/666,207
  6. Step 6: Final answer
    x = 3,139,098.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.