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Finding the Third Proportional to 637,666 and 1,347,309

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Solution

The third proportional to 637,666 and 1,347,309 is: 2,846,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,666 : 1,347,309 = 1,347,309 : x
  2. Step 2: Convert to fraction form
    637,666/1,347,309 = 1,347,309/x
  3. Step 3: Cross multiply
    637,666x = 1,347,309 × 1,347,309
  4. Step 4: Simplify right side
    637,666x = 1,815,241,541,481
  5. Step 5: Solve for x
    x = 1,815,241,541,481/637,666
  6. Step 6: Final answer
    x = 2,846,696.45

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.