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Finding the Third Proportional to 130,426.50 and 207,312.75

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Solution

The third proportional to 130,426.50 and 207,312.75 is: 329,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,426.50 : 207,312.75 = 207,312.75 : x
  2. Step 2: Convert to fraction form
    130,426.50/207,312.75 = 207,312.75/x
  3. Step 3: Cross multiply
    130,426.50x = 207,312.75 × 207,312.75
  4. Step 4: Simplify right side
    130,426.50x = 42,978,576,312.56
  5. Step 5: Solve for x
    x = 42,978,576,312.56/130,426.50
  6. Step 6: Final answer
    x = 329,523.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.