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Finding the Third Proportional to 343,312 and 502,680

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Solution

The third proportional to 343,312 and 502,680 is: 736,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,312 : 502,680 = 502,680 : x
  2. Step 2: Convert to fraction form
    343,312/502,680 = 502,680/x
  3. Step 3: Cross multiply
    343,312x = 502,680 × 502,680
  4. Step 4: Simplify right side
    343,312x = 252,687,182,400
  5. Step 5: Solve for x
    x = 252,687,182,400/343,312
  6. Step 6: Final answer
    x = 736,027.82

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.