Home / 81,197,981.63-166,700,514.38

Finding the Third Proportional to 81,197,981.63 and 166,700,514.38

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Solution

The third proportional to 81,197,981.63 and 166,700,514.38 is: 342,238,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,197,981.63 : 166,700,514.38 = 166,700,514.38 : x
  2. Step 2: Convert to fraction form
    81,197,981.63/166,700,514.38 = 166,700,514.38/x
  3. Step 3: Cross multiply
    81,197,981.63x = 166,700,514.38 × 166,700,514.38
  4. Step 4: Simplify right side
    81,197,981.63x = 27,789,061,492,889,580
  5. Step 5: Solve for x
    x = 27,789,061,492,889,580/81,197,981.63
  6. Step 6: Final answer
    x = 342,238,328.30

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.