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Finding the Third Proportional to 266,602.50 and 423,987.75

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Solution

The third proportional to 266,602.50 and 423,987.75 is: 674,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,602.50 : 423,987.75 = 423,987.75 : x
  2. Step 2: Convert to fraction form
    266,602.50/423,987.75 = 423,987.75/x
  3. Step 3: Cross multiply
    266,602.50x = 423,987.75 × 423,987.75
  4. Step 4: Simplify right side
    266,602.50x = 179,765,612,150.06
  5. Step 5: Solve for x
    x = 179,765,612,150.06/266,602.50
  6. Step 6: Final answer
    x = 674,283.29

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.