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Finding the Third Proportional to 370,121 and 803,666

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Solution

The third proportional to 370,121 and 803,666 is: 1,745,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,121 : 803,666 = 803,666 : x
  2. Step 2: Convert to fraction form
    370,121/803,666 = 803,666/x
  3. Step 3: Cross multiply
    370,121x = 803,666 × 803,666
  4. Step 4: Simplify right side
    370,121x = 645,879,039,556
  5. Step 5: Solve for x
    x = 645,879,039,556/370,121
  6. Step 6: Final answer
    x = 1,745,048.35

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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.