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Finding the Third Proportional to 255,399 and 375,687

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Solution

The third proportional to 255,399 and 375,687 is: 552,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,399 : 375,687 = 375,687 : x
  2. Step 2: Convert to fraction form
    255,399/375,687 = 375,687/x
  3. Step 3: Cross multiply
    255,399x = 375,687 × 375,687
  4. Step 4: Simplify right side
    255,399x = 141,140,721,969
  5. Step 5: Solve for x
    x = 141,140,721,969/255,399
  6. Step 6: Final answer
    x = 552,628.33

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.