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Finding the Third Proportional to 30,528 and 48,432

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Solution

The third proportional to 30,528 and 48,432 is: 76,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528 : 48,432 = 48,432 : x
  2. Step 2: Convert to fraction form
    30,528/48,432 = 48,432/x
  3. Step 3: Cross multiply
    30,528x = 48,432 × 48,432
  4. Step 4: Simplify right side
    30,528x = 2,345,658,624
  5. Step 5: Solve for x
    x = 2,345,658,624/30,528
  6. Step 6: Final answer
    x = 76,836.30

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.