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Finding the Third Proportional to 155,210,187 and 243,479,094

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Solution

The third proportional to 155,210,187 and 243,479,094 is: 381,947,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,210,187 : 243,479,094 = 243,479,094 : x
  2. Step 2: Convert to fraction form
    155,210,187/243,479,094 = 243,479,094/x
  3. Step 3: Cross multiply
    155,210,187x = 243,479,094 × 243,479,094
  4. Step 4: Simplify right side
    155,210,187x = 59,282,069,215,060,832
  5. Step 5: Solve for x
    x = 59,282,069,215,060,832/155,210,187
  6. Step 6: Final answer
    x = 381,947,025.26

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.