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Finding the Third Proportional to 32,398 and 48,428

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Solution

The third proportional to 32,398 and 48,428 is: 72,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,398 : 48,428 = 48,428 : x
  2. Step 2: Convert to fraction form
    32,398/48,428 = 48,428/x
  3. Step 3: Cross multiply
    32,398x = 48,428 × 48,428
  4. Step 4: Simplify right side
    32,398x = 2,345,271,184
  5. Step 5: Solve for x
    x = 2,345,271,184/32,398
  6. Step 6: Final answer
    x = 72,389.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.