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Finding the Third Proportional to 7,655,400.56 and 12,127,846.22

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Solution

The third proportional to 7,655,400.56 and 12,127,846.22 is: 19,213,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655,400.56 : 12,127,846.22 = 12,127,846.22 : x
  2. Step 2: Convert to fraction form
    7,655,400.56/12,127,846.22 = 12,127,846.22/x
  3. Step 3: Cross multiply
    7,655,400.56x = 12,127,846.22 × 12,127,846.22
  4. Step 4: Simplify right side
    7,655,400.56x = 147,084,653,905,648.69
  5. Step 5: Solve for x
    x = 147,084,653,905,648.69/7,655,400.56
  6. Step 6: Final answer
    x = 19,213,188.48

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.