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Finding the Third Proportional to 3,655,603.13 and 5,110,495.31

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Solution

The third proportional to 3,655,603.13 and 5,110,495.31 is: 7,144,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655,603.13 : 5,110,495.31 = 5,110,495.31 : x
  2. Step 2: Convert to fraction form
    3,655,603.13/5,110,495.31 = 5,110,495.31/x
  3. Step 3: Cross multiply
    3,655,603.13x = 5,110,495.31 × 5,110,495.31
  4. Step 4: Simplify right side
    3,655,603.13x = 26,117,162,339,084.47
  5. Step 5: Solve for x
    x = 26,117,162,339,084.47/3,655,603.13
  6. Step 6: Final answer
    x = 7,144,419.52

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.