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Finding the Third Proportional to 520,426.50 and 804,273.75

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Solution

The third proportional to 520,426.50 and 804,273.75 is: 1,242,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,426.50 : 804,273.75 = 804,273.75 : x
  2. Step 2: Convert to fraction form
    520,426.50/804,273.75 = 804,273.75/x
  3. Step 3: Cross multiply
    520,426.50x = 804,273.75 × 804,273.75
  4. Step 4: Simplify right side
    520,426.50x = 646,856,264,939.06
  5. Step 5: Solve for x
    x = 646,856,264,939.06/520,426.50
  6. Step 6: Final answer
    x = 1,242,934.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.