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Finding the Third Proportional to 343,368 and 531,666

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Solution

The third proportional to 343,368 and 531,666 is: 823,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,368 : 531,666 = 531,666 : x
  2. Step 2: Convert to fraction form
    343,368/531,666 = 531,666/x
  3. Step 3: Cross multiply
    343,368x = 531,666 × 531,666
  4. Step 4: Simplify right side
    343,368x = 282,668,735,556
  5. Step 5: Solve for x
    x = 282,668,735,556/343,368
  6. Step 6: Final answer
    x = 823,223.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.