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Finding the Third Proportional to 875.50 and 1,341.25

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Solution

The third proportional to 875.50 and 1,341.25 is: 2,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    875.50 : 1,341.25 = 1,341.25 : x
  2. Step 2: Convert to fraction form
    875.50/1,341.25 = 1,341.25/x
  3. Step 3: Cross multiply
    875.50x = 1,341.25 × 1,341.25
  4. Step 4: Simplify right side
    875.50x = 1,798,951.56
  5. Step 5: Solve for x
    x = 1,798,951.56/875.50
  6. Step 6: Final answer
    x = 2,054.77

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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.