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Finding the Third Proportional to 11,754,777.75 and 18,156,223.13

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Solution

The third proportional to 11,754,777.75 and 18,156,223.13 is: 28,043,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,777.75 : 18,156,223.13 = 18,156,223.13 : x
  2. Step 2: Convert to fraction form
    11,754,777.75/18,156,223.13 = 18,156,223.13/x
  3. Step 3: Cross multiply
    11,754,777.75x = 18,156,223.13 × 18,156,223.13
  4. Step 4: Simplify right side
    11,754,777.75x = 329,648,438,164,784.75
  5. Step 5: Solve for x
    x = 329,648,438,164,784.75/11,754,777.75
  6. Step 6: Final answer
    x = 28,043,783.15

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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.