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Finding the Third Proportional to 3,220,906 and 7,020,541

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Solution

The third proportional to 3,220,906 and 7,020,541 is: 15,302,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,906 : 7,020,541 = 7,020,541 : x
  2. Step 2: Convert to fraction form
    3,220,906/7,020,541 = 7,020,541/x
  3. Step 3: Cross multiply
    3,220,906x = 7,020,541 × 7,020,541
  4. Step 4: Simplify right side
    3,220,906x = 49,287,995,932,681
  5. Step 5: Solve for x
    x = 49,287,995,932,681/3,220,906
  6. Step 6: Final answer
    x = 15,302,525.42

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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.