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Finding the Third Proportional to 56,363,218.77 and 87,272,153.84

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Solution

The third proportional to 56,363,218.77 and 87,272,153.84 is: 135,131,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363,218.77 : 87,272,153.84 = 87,272,153.84 : x
  2. Step 2: Convert to fraction form
    56,363,218.77/87,272,153.84 = 87,272,153.84/x
  3. Step 3: Cross multiply
    56,363,218.77x = 87,272,153.84 × 87,272,153.84
  4. Step 4: Simplify right side
    56,363,218.77x = 7,616,428,836,185,933
  5. Step 5: Solve for x
    x = 7,616,428,836,185,933/56,363,218.77
  6. Step 6: Final answer
    x = 135,131,190.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.