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Finding the Third Proportional to 161,656 and 351,292

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Solution

The third proportional to 161,656 and 351,292 is: 763,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,656 : 351,292 = 351,292 : x
  2. Step 2: Convert to fraction form
    161,656/351,292 = 351,292/x
  3. Step 3: Cross multiply
    161,656x = 351,292 × 351,292
  4. Step 4: Simplify right side
    161,656x = 123,406,069,264
  5. Step 5: Solve for x
    x = 123,406,069,264/161,656
  6. Step 6: Final answer
    x = 763,386.88

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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.