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Finding the Third Proportional to 661,938.50 and 992,018

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Solution

The third proportional to 661,938.50 and 992,018 is: 1,486,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,938.50 : 992,018 = 992,018 : x
  2. Step 2: Convert to fraction form
    661,938.50/992,018 = 992,018/x
  3. Step 3: Cross multiply
    661,938.50x = 992,018 × 992,018
  4. Step 4: Simplify right side
    661,938.50x = 984,099,712,324
  5. Step 5: Solve for x
    x = 984,099,712,324/661,938.50
  6. Step 6: Final answer
    x = 1,486,693.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.