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Finding the Third Proportional to 53,177,878,215 and 115,180,353,918

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Solution

The third proportional to 53,177,878,215 and 115,180,353,918 is: 249,474,299,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,177,878,215 : 115,180,353,918 = 115,180,353,918 : x
  2. Step 2: Convert to fraction form
    53,177,878,215/115,180,353,918 = 115,180,353,918/x
  3. Step 3: Cross multiply
    53,177,878,215x = 115,180,353,918 × 115,180,353,918
  4. Step 4: Simplify right side
    53,177,878,215x = 13,266,513,928,675,737,468,928
  5. Step 5: Solve for x
    x = 13,266,513,928,675,737,468,928/53,177,878,215
  6. Step 6: Final answer
    x = 249,474,299,727.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.