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Finding the Third Proportional to 131,166 and 202,547

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Solution

The third proportional to 131,166 and 202,547 is: 312,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,166 : 202,547 = 202,547 : x
  2. Step 2: Convert to fraction form
    131,166/202,547 = 202,547/x
  3. Step 3: Cross multiply
    131,166x = 202,547 × 202,547
  4. Step 4: Simplify right side
    131,166x = 41,025,287,209
  5. Step 5: Solve for x
    x = 41,025,287,209/131,166
  6. Step 6: Final answer
    x = 312,773.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.