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Finding the Third Proportional to 307,006 and 473,630

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Solution

The third proportional to 307,006 and 473,630 is: 730,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,006 : 473,630 = 473,630 : x
  2. Step 2: Convert to fraction form
    307,006/473,630 = 473,630/x
  3. Step 3: Cross multiply
    307,006x = 473,630 × 473,630
  4. Step 4: Simplify right side
    307,006x = 224,325,376,900
  5. Step 5: Solve for x
    x = 224,325,376,900/307,006
  6. Step 6: Final answer
    x = 730,687.27

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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.