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Finding the Third Proportional to 533,715 and 825,507

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Solution

The third proportional to 533,715 and 825,507 is: 1,276,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,715 : 825,507 = 825,507 : x
  2. Step 2: Convert to fraction form
    533,715/825,507 = 825,507/x
  3. Step 3: Cross multiply
    533,715x = 825,507 × 825,507
  4. Step 4: Simplify right side
    533,715x = 681,461,807,049
  5. Step 5: Solve for x
    x = 681,461,807,049/533,715
  6. Step 6: Final answer
    x = 1,276,827.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.