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Finding the Third Proportional to 191,102 and 415,432

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Solution

The third proportional to 191,102 and 415,432 is: 903,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,102 : 415,432 = 415,432 : x
  2. Step 2: Convert to fraction form
    191,102/415,432 = 415,432/x
  3. Step 3: Cross multiply
    191,102x = 415,432 × 415,432
  4. Step 4: Simplify right side
    191,102x = 172,583,746,624
  5. Step 5: Solve for x
    x = 172,583,746,624/191,102
  6. Step 6: Final answer
    x = 903,097.54

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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.