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Finding the Third Proportional to 191,025 and 415,221.75

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Solution

The third proportional to 191,025 and 415,221.75 is: 902,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,025 : 415,221.75 = 415,221.75 : x
  2. Step 2: Convert to fraction form
    191,025/415,221.75 = 415,221.75/x
  3. Step 3: Cross multiply
    191,025x = 415,221.75 × 415,221.75
  4. Step 4: Simplify right side
    191,025x = 172,409,101,673.06
  5. Step 5: Solve for x
    x = 172,409,101,673.06/191,025
  6. Step 6: Final answer
    x = 902,547.32

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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.