Home / 12,115,552,947.75-18,610,972,724.25

Finding the Third Proportional to 12,115,552,947.75 and 18,610,972,724.25

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Solution

The third proportional to 12,115,552,947.75 and 18,610,972,724.25 is: 28,588,732,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,552,947.75 : 18,610,972,724.25 = 18,610,972,724.25 : x
  2. Step 2: Convert to fraction form
    12,115,552,947.75/18,610,972,724.25 = 18,610,972,724.25/x
  3. Step 3: Cross multiply
    12,115,552,947.75x = 18,610,972,724.25 × 18,610,972,724.25
  4. Step 4: Simplify right side
    12,115,552,947.75x = 346,368,305,742,777,483,264
  5. Step 5: Solve for x
    x = 346,368,305,742,777,483,264/12,115,552,947.75
  6. Step 6: Final answer
    x = 28,588,732,783.10

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1.5x scale

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.