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Finding the Third Proportional to 130,464 and 199,908

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Solution

The third proportional to 130,464 and 199,908 is: 306,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,464 : 199,908 = 199,908 : x
  2. Step 2: Convert to fraction form
    130,464/199,908 = 199,908/x
  3. Step 3: Cross multiply
    130,464x = 199,908 × 199,908
  4. Step 4: Simplify right side
    130,464x = 39,963,208,464
  5. Step 5: Solve for x
    x = 39,963,208,464/130,464
  6. Step 6: Final answer
    x = 306,315.98

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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.