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Finding the Third Proportional to 347,932 and 741,428

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Solution

The third proportional to 347,932 and 741,428 is: 1,579,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,932 : 741,428 = 741,428 : x
  2. Step 2: Convert to fraction form
    347,932/741,428 = 741,428/x
  3. Step 3: Cross multiply
    347,932x = 741,428 × 741,428
  4. Step 4: Simplify right side
    347,932x = 549,715,479,184
  5. Step 5: Solve for x
    x = 549,715,479,184/347,932
  6. Step 6: Final answer
    x = 1,579,950.91

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.