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Finding the Third Proportional to 377,977.50 and 816,133.50

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Solution

The third proportional to 377,977.50 and 816,133.50 is: 1,762,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,977.50 : 816,133.50 = 816,133.50 : x
  2. Step 2: Convert to fraction form
    377,977.50/816,133.50 = 816,133.50/x
  3. Step 3: Cross multiply
    377,977.50x = 816,133.50 × 816,133.50
  4. Step 4: Simplify right side
    377,977.50x = 666,073,889,822.25
  5. Step 5: Solve for x
    x = 666,073,889,822.25/377,977.50
  6. Step 6: Final answer
    x = 1,762,205.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.