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Finding the Third Proportional to 336,406 and 506,013

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Solution

The third proportional to 336,406 and 506,013 is: 761,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,406 : 506,013 = 506,013 : x
  2. Step 2: Convert to fraction form
    336,406/506,013 = 506,013/x
  3. Step 3: Cross multiply
    336,406x = 506,013 × 506,013
  4. Step 4: Simplify right side
    336,406x = 256,049,156,169
  5. Step 5: Solve for x
    x = 256,049,156,169/336,406
  6. Step 6: Final answer
    x = 761,131.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.