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Finding the Third Proportional to 108,558.63 and 235,685

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Solution

The third proportional to 108,558.63 and 235,685 is: 511,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,558.63 : 235,685 = 235,685 : x
  2. Step 2: Convert to fraction form
    108,558.63/235,685 = 235,685/x
  3. Step 3: Cross multiply
    108,558.63x = 235,685 × 235,685
  4. Step 4: Simplify right side
    108,558.63x = 55,547,419,225
  5. Step 5: Solve for x
    x = 55,547,419,225/108,558.63
  6. Step 6: Final answer
    x = 511,681.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.