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Finding the Third Proportional to 68,817.94 and 139,573.13

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Solution

The third proportional to 68,817.94 and 139,573.13 is: 283,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,817.94 : 139,573.13 = 139,573.13 : x
  2. Step 2: Convert to fraction form
    68,817.94/139,573.13 = 139,573.13/x
  3. Step 3: Cross multiply
    68,817.94x = 139,573.13 × 139,573.13
  4. Step 4: Simplify right side
    68,817.94x = 19,480,657,222.27
  5. Step 5: Solve for x
    x = 19,480,657,222.27/68,817.94
  6. Step 6: Final answer
    x = 283,075.28

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.