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Finding the Third Proportional to 1,438,564.50 and 3,148,038

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Solution

The third proportional to 1,438,564.50 and 3,148,038 is: 6,888,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,564.50 : 3,148,038 = 3,148,038 : x
  2. Step 2: Convert to fraction form
    1,438,564.50/3,148,038 = 3,148,038/x
  3. Step 3: Cross multiply
    1,438,564.50x = 3,148,038 × 3,148,038
  4. Step 4: Simplify right side
    1,438,564.50x = 9,910,143,249,444
  5. Step 5: Solve for x
    x = 9,910,143,249,444/1,438,564.50
  6. Step 6: Final answer
    x = 6,888,911.31

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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.