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Finding the Third Proportional to 191,726 and 291,572

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Solution

The third proportional to 191,726 and 291,572 is: 443,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,726 : 291,572 = 291,572 : x
  2. Step 2: Convert to fraction form
    191,726/291,572 = 291,572/x
  3. Step 3: Cross multiply
    191,726x = 291,572 × 291,572
  4. Step 4: Simplify right side
    191,726x = 85,014,231,184
  5. Step 5: Solve for x
    x = 85,014,231,184/191,726
  6. Step 6: Final answer
    x = 443,415.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.