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Finding the Third Proportional to 262,354.50 and 405,127.50

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Solution

The third proportional to 262,354.50 and 405,127.50 is: 625,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,354.50 : 405,127.50 = 405,127.50 : x
  2. Step 2: Convert to fraction form
    262,354.50/405,127.50 = 405,127.50/x
  3. Step 3: Cross multiply
    262,354.50x = 405,127.50 × 405,127.50
  4. Step 4: Simplify right side
    262,354.50x = 164,128,291,256.25
  5. Step 5: Solve for x
    x = 164,128,291,256.25/262,354.50
  6. Step 6: Final answer
    x = 625,597.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.