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Finding the Third Proportional to 655,249.50 and 988,888.50

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Solution

The third proportional to 655,249.50 and 988,888.50 is: 1,492,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,249.50 : 988,888.50 = 988,888.50 : x
  2. Step 2: Convert to fraction form
    655,249.50/988,888.50 = 988,888.50/x
  3. Step 3: Cross multiply
    655,249.50x = 988,888.50 × 988,888.50
  4. Step 4: Simplify right side
    655,249.50x = 977,900,465,432.25
  5. Step 5: Solve for x
    x = 977,900,465,432.25/655,249.50
  6. Step 6: Final answer
    x = 1,492,409.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.