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Finding the Third Proportional to 46,528 and 100,780

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Solution

The third proportional to 46,528 and 100,780 is: 218,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,528 : 100,780 = 100,780 : x
  2. Step 2: Convert to fraction form
    46,528/100,780 = 100,780/x
  3. Step 3: Cross multiply
    46,528x = 100,780 × 100,780
  4. Step 4: Simplify right side
    46,528x = 10,156,608,400
  5. Step 5: Solve for x
    x = 10,156,608,400/46,528
  6. Step 6: Final answer
    x = 218,290.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.