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Finding the Third Proportional to 35,547 and 77,790

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Solution

The third proportional to 35,547 and 77,790 is: 170,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547 : 77,790 = 77,790 : x
  2. Step 2: Convert to fraction form
    35,547/77,790 = 77,790/x
  3. Step 3: Cross multiply
    35,547x = 77,790 × 77,790
  4. Step 4: Simplify right side
    35,547x = 6,051,284,100
  5. Step 5: Solve for x
    x = 6,051,284,100/35,547
  6. Step 6: Final answer
    x = 170,233.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.