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Finding the Third Proportional to 451,681 and 660,556

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Solution

The third proportional to 451,681 and 660,556 is: 966,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,681 : 660,556 = 660,556 : x
  2. Step 2: Convert to fraction form
    451,681/660,556 = 660,556/x
  3. Step 3: Cross multiply
    451,681x = 660,556 × 660,556
  4. Step 4: Simplify right side
    451,681x = 436,334,229,136
  5. Step 5: Solve for x
    x = 436,334,229,136/451,681
  6. Step 6: Final answer
    x = 966,022.99

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.