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Finding the Third Proportional to 307,110 and 470,385

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Solution

The third proportional to 307,110 and 470,385 is: 720,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,110 : 470,385 = 470,385 : x
  2. Step 2: Convert to fraction form
    307,110/470,385 = 470,385/x
  3. Step 3: Cross multiply
    307,110x = 470,385 × 470,385
  4. Step 4: Simplify right side
    307,110x = 221,262,048,225
  5. Step 5: Solve for x
    x = 221,262,048,225/307,110
  6. Step 6: Final answer
    x = 720,465.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.