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Finding the Third Proportional to 7,447,948 and 11,388,510

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Solution

The third proportional to 7,447,948 and 11,388,510 is: 17,413,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,948 : 11,388,510 = 11,388,510 : x
  2. Step 2: Convert to fraction form
    7,447,948/11,388,510 = 11,388,510/x
  3. Step 3: Cross multiply
    7,447,948x = 11,388,510 × 11,388,510
  4. Step 4: Simplify right side
    7,447,948x = 129,698,160,020,100
  5. Step 5: Solve for x
    x = 129,698,160,020,100/7,447,948
  6. Step 6: Final answer
    x = 17,413,945.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.