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Finding the Third Proportional to 191,595.38 and 290,045.81

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Solution

The third proportional to 191,595.38 and 290,045.81 is: 439,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,595.38 : 290,045.81 = 290,045.81 : x
  2. Step 2: Convert to fraction form
    191,595.38/290,045.81 = 290,045.81/x
  3. Step 3: Cross multiply
    191,595.38x = 290,045.81 × 290,045.81
  4. Step 4: Simplify right side
    191,595.38x = 84,126,573,348.79
  5. Step 5: Solve for x
    x = 84,126,573,348.79/191,595.38
  6. Step 6: Final answer
    x = 439,084.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.