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Finding the Third Proportional to 88,345 and 136,491

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Solution

The third proportional to 88,345 and 136,491 is: 210,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,345 : 136,491 = 136,491 : x
  2. Step 2: Convert to fraction form
    88,345/136,491 = 136,491/x
  3. Step 3: Cross multiply
    88,345x = 136,491 × 136,491
  4. Step 4: Simplify right side
    88,345x = 18,629,793,081
  5. Step 5: Solve for x
    x = 18,629,793,081/88,345
  6. Step 6: Final answer
    x = 210,875.47

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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.