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Finding the Third Proportional to 55,388,056.50 and 121,199,840.25

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Solution

The third proportional to 55,388,056.50 and 121,199,840.25 is: 265,208,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388,056.50 : 121,199,840.25 = 121,199,840.25 : x
  2. Step 2: Convert to fraction form
    55,388,056.50/121,199,840.25 = 121,199,840.25/x
  3. Step 3: Cross multiply
    55,388,056.50x = 121,199,840.25 × 121,199,840.25
  4. Step 4: Simplify right side
    55,388,056.50x = 14,689,401,276,625,520
  5. Step 5: Solve for x
    x = 14,689,401,276,625,520/55,388,056.50
  6. Step 6: Final answer
    x = 265,208,823.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.