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Finding the Third Proportional to 343,426.50 and 525,348

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Solution

The third proportional to 343,426.50 and 525,348 is: 803,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,426.50 : 525,348 = 525,348 : x
  2. Step 2: Convert to fraction form
    343,426.50/525,348 = 525,348/x
  3. Step 3: Cross multiply
    343,426.50x = 525,348 × 525,348
  4. Step 4: Simplify right side
    343,426.50x = 275,990,521,104
  5. Step 5: Solve for x
    x = 275,990,521,104/343,426.50
  6. Step 6: Final answer
    x = 803,637.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.