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Finding the Third Proportional to 15,761,912 and 34,038,640

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Solution

The third proportional to 15,761,912 and 34,038,640 is: 73,508,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761,912 : 34,038,640 = 34,038,640 : x
  2. Step 2: Convert to fraction form
    15,761,912/34,038,640 = 34,038,640/x
  3. Step 3: Cross multiply
    15,761,912x = 34,038,640 × 34,038,640
  4. Step 4: Simplify right side
    15,761,912x = 1,158,629,013,049,600
  5. Step 5: Solve for x
    x = 1,158,629,013,049,600/15,761,912
  6. Step 6: Final answer
    x = 73,508,151.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.