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Finding the Third Proportional to 284,327.09 and 618,476.77

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Solution

The third proportional to 284,327.09 and 618,476.77 is: 1,345,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,327.09 : 618,476.77 = 618,476.77 : x
  2. Step 2: Convert to fraction form
    284,327.09/618,476.77 = 618,476.77/x
  3. Step 3: Cross multiply
    284,327.09x = 618,476.77 × 618,476.77
  4. Step 4: Simplify right side
    284,327.09x = 382,513,509,617.96
  5. Step 5: Solve for x
    x = 382,513,509,617.96/284,327.09
  6. Step 6: Final answer
    x = 1,345,329.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.