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Finding the Third Proportional to 191,570 and 416,331

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Solution

The third proportional to 191,570 and 416,331 is: 904,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,570 : 416,331 = 416,331 : x
  2. Step 2: Convert to fraction form
    191,570/416,331 = 416,331/x
  3. Step 3: Cross multiply
    191,570x = 416,331 × 416,331
  4. Step 4: Simplify right side
    191,570x = 173,331,501,561
  5. Step 5: Solve for x
    x = 173,331,501,561/191,570
  6. Step 6: Final answer
    x = 904,794.60

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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.