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Finding the Third Proportional to 155,210,184.75 and 243,479,091

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Solution

The third proportional to 155,210,184.75 and 243,479,091 is: 381,947,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,210,184.75 : 243,479,091 = 243,479,091 : x
  2. Step 2: Convert to fraction form
    155,210,184.75/243,479,091 = 243,479,091/x
  3. Step 3: Cross multiply
    155,210,184.75x = 243,479,091 × 243,479,091
  4. Step 4: Simplify right side
    155,210,184.75x = 59,282,067,754,186,280
  5. Step 5: Solve for x
    x = 59,282,067,754,186,280/155,210,184.75
  6. Step 6: Final answer
    x = 381,947,021.39

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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.