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Finding the Third Proportional to 307,028 and 473,666

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Solution

The third proportional to 307,028 and 473,666 is: 730,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,028 : 473,666 = 473,666 : x
  2. Step 2: Convert to fraction form
    307,028/473,666 = 473,666/x
  3. Step 3: Cross multiply
    307,028x = 473,666 × 473,666
  4. Step 4: Simplify right side
    307,028x = 224,359,479,556
  5. Step 5: Solve for x
    x = 224,359,479,556/307,028
  6. Step 6: Final answer
    x = 730,745.99

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.