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Finding the Third Proportional to 348,300 and 711,360

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Solution

The third proportional to 348,300 and 711,360 is: 1,452,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,300 : 711,360 = 711,360 : x
  2. Step 2: Convert to fraction form
    348,300/711,360 = 711,360/x
  3. Step 3: Cross multiply
    348,300x = 711,360 × 711,360
  4. Step 4: Simplify right side
    348,300x = 506,033,049,600
  5. Step 5: Solve for x
    x = 506,033,049,600/348,300
  6. Step 6: Final answer
    x = 1,452,865.49

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.