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Finding the Third Proportional to 350,376 and 725,640

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Solution

The third proportional to 350,376 and 725,640 is: 1,502,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,376 : 725,640 = 725,640 : x
  2. Step 2: Convert to fraction form
    350,376/725,640 = 725,640/x
  3. Step 3: Cross multiply
    350,376x = 725,640 × 725,640
  4. Step 4: Simplify right side
    350,376x = 526,553,409,600
  5. Step 5: Solve for x
    x = 526,553,409,600/350,376
  6. Step 6: Final answer
    x = 1,502,823.85

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.