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Finding the Third Proportional to 301,909.50 and 646,101

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Solution

The third proportional to 301,909.50 and 646,101 is: 1,382,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,909.50 : 646,101 = 646,101 : x
  2. Step 2: Convert to fraction form
    301,909.50/646,101 = 646,101/x
  3. Step 3: Cross multiply
    301,909.50x = 646,101 × 646,101
  4. Step 4: Simplify right side
    301,909.50x = 417,446,502,201
  5. Step 5: Solve for x
    x = 417,446,502,201/301,909.50
  6. Step 6: Final answer
    x = 1,382,687.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.