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Finding the Third Proportional to 130,036 and 200,454

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Solution

The third proportional to 130,036 and 200,454 is: 309,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,036 : 200,454 = 200,454 : x
  2. Step 2: Convert to fraction form
    130,036/200,454 = 200,454/x
  3. Step 3: Cross multiply
    130,036x = 200,454 × 200,454
  4. Step 4: Simplify right side
    130,036x = 40,181,806,116
  5. Step 5: Solve for x
    x = 40,181,806,116/130,036
  6. Step 6: Final answer
    x = 309,005.25

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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.