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Finding the Third Proportional to 243,359 and 363,015

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Solution

The third proportional to 243,359 and 363,015 is: 541,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,359 : 363,015 = 363,015 : x
  2. Step 2: Convert to fraction form
    243,359/363,015 = 363,015/x
  3. Step 3: Cross multiply
    243,359x = 363,015 × 363,015
  4. Step 4: Simplify right side
    243,359x = 131,779,890,225
  5. Step 5: Solve for x
    x = 131,779,890,225/243,359
  6. Step 6: Final answer
    x = 541,504.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.