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Finding the Third Proportional to 343,431 and 525,345

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Solution

The third proportional to 343,431 and 525,345 is: 803,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,431 : 525,345 = 525,345 : x
  2. Step 2: Convert to fraction form
    343,431/525,345 = 525,345/x
  3. Step 3: Cross multiply
    343,431x = 525,345 × 525,345
  4. Step 4: Simplify right side
    343,431x = 275,987,369,025
  5. Step 5: Solve for x
    x = 275,987,369,025/343,431
  6. Step 6: Final answer
    x = 803,618.10

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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.