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Finding the Third Proportional to 15,774,816 and 25,397,040

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Solution

The third proportional to 15,774,816 and 25,397,040 is: 40,888,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,816 : 25,397,040 = 25,397,040 : x
  2. Step 2: Convert to fraction form
    15,774,816/25,397,040 = 25,397,040/x
  3. Step 3: Cross multiply
    15,774,816x = 25,397,040 × 25,397,040
  4. Step 4: Simplify right side
    15,774,816x = 645,009,640,761,600
  5. Step 5: Solve for x
    x = 645,009,640,761,600/15,774,816
  6. Step 6: Final answer
    x = 40,888,568.26

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.