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Finding the Third Proportional to 15,896,968 and 25,213,427

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Solution

The third proportional to 15,896,968 and 25,213,427 is: 39,989,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,968 : 25,213,427 = 25,213,427 : x
  2. Step 2: Convert to fraction form
    15,896,968/25,213,427 = 25,213,427/x
  3. Step 3: Cross multiply
    15,896,968x = 25,213,427 × 25,213,427
  4. Step 4: Simplify right side
    15,896,968x = 635,716,901,084,329
  5. Step 5: Solve for x
    x = 635,716,901,084,329/15,896,968
  6. Step 6: Final answer
    x = 39,989,820.77

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.