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Finding the Third Proportional to 155,502 and 340,575.75

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Solution

The third proportional to 155,502 and 340,575.75 is: 745,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,502 : 340,575.75 = 340,575.75 : x
  2. Step 2: Convert to fraction form
    155,502/340,575.75 = 340,575.75/x
  3. Step 3: Cross multiply
    155,502x = 340,575.75 × 340,575.75
  4. Step 4: Simplify right side
    155,502x = 115,991,841,488.06
  5. Step 5: Solve for x
    x = 115,991,841,488.06/155,502
  6. Step 6: Final answer
    x = 745,918.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.