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Finding the Third Proportional to 92,528 and 199,090

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Solution

The third proportional to 92,528 and 199,090 is: 428,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,528 : 199,090 = 199,090 : x
  2. Step 2: Convert to fraction form
    92,528/199,090 = 199,090/x
  3. Step 3: Cross multiply
    92,528x = 199,090 × 199,090
  4. Step 4: Simplify right side
    92,528x = 39,636,828,100
  5. Step 5: Solve for x
    x = 39,636,828,100/92,528
  6. Step 6: Final answer
    x = 428,376.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.