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Finding the Third Proportional to 133,264.13 and 287,866.13

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Solution

The third proportional to 133,264.13 and 287,866.13 is: 621,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,264.13 : 287,866.13 = 287,866.13 : x
  2. Step 2: Convert to fraction form
    133,264.13/287,866.13 = 287,866.13/x
  3. Step 3: Cross multiply
    133,264.13x = 287,866.13 × 287,866.13
  4. Step 4: Simplify right side
    133,264.13x = 82,866,905,922.52
  5. Step 5: Solve for x
    x = 82,866,905,922.52/133,264.13
  6. Step 6: Final answer
    x = 621,824.56

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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.