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Finding the Third Proportional to 83,700 and 119,331

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Solution

The third proportional to 83,700 and 119,331 is: 170,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,700 : 119,331 = 119,331 : x
  2. Step 2: Convert to fraction form
    83,700/119,331 = 119,331/x
  3. Step 3: Cross multiply
    83,700x = 119,331 × 119,331
  4. Step 4: Simplify right side
    83,700x = 14,239,887,561
  5. Step 5: Solve for x
    x = 14,239,887,561/83,700
  6. Step 6: Final answer
    x = 170,130.08

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.