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Finding the Third Proportional to 55,588,680 and 80,194,009.50

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Solution

The third proportional to 55,588,680 and 80,194,009.50 is: 115,690,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588,680 : 80,194,009.50 = 80,194,009.50 : x
  2. Step 2: Convert to fraction form
    55,588,680/80,194,009.50 = 80,194,009.50/x
  3. Step 3: Cross multiply
    55,588,680x = 80,194,009.50 × 80,194,009.50
  4. Step 4: Simplify right side
    55,588,680x = 6,431,079,159,686,090
  5. Step 5: Solve for x
    x = 6,431,079,159,686,090/55,588,680
  6. Step 6: Final answer
    x = 115,690,445.60

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.