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Finding the Third Proportional to 106,547.38 and 161,765

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Solution

The third proportional to 106,547.38 and 161,765 is: 245,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,547.38 : 161,765 = 161,765 : x
  2. Step 2: Convert to fraction form
    106,547.38/161,765 = 161,765/x
  3. Step 3: Cross multiply
    106,547.38x = 161,765 × 161,765
  4. Step 4: Simplify right side
    106,547.38x = 26,167,915,225
  5. Step 5: Solve for x
    x = 26,167,915,225/106,547.38
  6. Step 6: Final answer
    x = 245,598.87

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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.