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Finding the Third Proportional to 262,326.09 and 579,782.81

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Solution

The third proportional to 262,326.09 and 579,782.81 is: 1,281,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,326.09 : 579,782.81 = 579,782.81 : x
  2. Step 2: Convert to fraction form
    262,326.09/579,782.81 = 579,782.81/x
  3. Step 3: Cross multiply
    262,326.09x = 579,782.81 × 579,782.81
  4. Step 4: Simplify right side
    262,326.09x = 336,148,109,670.41
  5. Step 5: Solve for x
    x = 336,148,109,670.41/262,326.09
  6. Step 6: Final answer
    x = 1,281,413.16

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.