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Finding the Third Proportional to 170,653.50 and 372,411

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Solution

The third proportional to 170,653.50 and 372,411 is: 812,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,653.50 : 372,411 = 372,411 : x
  2. Step 2: Convert to fraction form
    170,653.50/372,411 = 372,411/x
  3. Step 3: Cross multiply
    170,653.50x = 372,411 × 372,411
  4. Step 4: Simplify right side
    170,653.50x = 138,689,952,921
  5. Step 5: Solve for x
    x = 138,689,952,921/170,653.50
  6. Step 6: Final answer
    x = 812,699.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.