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Finding the Third Proportional to 25,658,881.50 and 55,835,007.75

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Solution

The third proportional to 25,658,881.50 and 55,835,007.75 is: 121,499,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658,881.50 : 55,835,007.75 = 55,835,007.75 : x
  2. Step 2: Convert to fraction form
    25,658,881.50/55,835,007.75 = 55,835,007.75/x
  3. Step 3: Cross multiply
    25,658,881.50x = 55,835,007.75 × 55,835,007.75
  4. Step 4: Simplify right side
    25,658,881.50x = 3,117,548,090,442,560
  5. Step 5: Solve for x
    x = 3,117,548,090,442,560/25,658,881.50
  6. Step 6: Final answer
    x = 121,499,765.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.