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Finding the Third Proportional to 57,557,783,216 and 128,349,965,920

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Solution

The third proportional to 57,557,783,216 and 128,349,965,920 is: 286,211,748,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,557,783,216 : 128,349,965,920 = 128,349,965,920 : x
  2. Step 2: Convert to fraction form
    57,557,783,216/128,349,965,920 = 128,349,965,920/x
  3. Step 3: Cross multiply
    57,557,783,216x = 128,349,965,920 × 128,349,965,920
  4. Step 4: Simplify right side
    57,557,783,216x = 16,473,713,751,665,160,486,912
  5. Step 5: Solve for x
    x = 16,473,713,751,665,160,486,912/57,557,783,216
  6. Step 6: Final answer
    x = 286,211,748,111.34

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.