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Finding the Third Proportional to 307,080 and 660,804

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Solution

The third proportional to 307,080 and 660,804 is: 1,421,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,080 : 660,804 = 660,804 : x
  2. Step 2: Convert to fraction form
    307,080/660,804 = 660,804/x
  3. Step 3: Cross multiply
    307,080x = 660,804 × 660,804
  4. Step 4: Simplify right side
    307,080x = 436,661,926,416
  5. Step 5: Solve for x
    x = 436,661,926,416/307,080
  6. Step 6: Final answer
    x = 1,421,981.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.