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Finding the Third Proportional to 97,218 and 130,653

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Solution

The third proportional to 97,218 and 130,653 is: 175,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218 : 130,653 = 130,653 : x
  2. Step 2: Convert to fraction form
    97,218/130,653 = 130,653/x
  3. Step 3: Cross multiply
    97,218x = 130,653 × 130,653
  4. Step 4: Simplify right side
    97,218x = 17,070,206,409
  5. Step 5: Solve for x
    x = 17,070,206,409/97,218
  6. Step 6: Final answer
    x = 175,586.89

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.