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Finding the Third Proportional to 7,156,615.78 and 15,448,079.53

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Solution

The third proportional to 7,156,615.78 and 15,448,079.53 is: 33,345,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,615.78 : 15,448,079.53 = 15,448,079.53 : x
  2. Step 2: Convert to fraction form
    7,156,615.78/15,448,079.53 = 15,448,079.53/x
  3. Step 3: Cross multiply
    7,156,615.78x = 15,448,079.53 × 15,448,079.53
  4. Step 4: Simplify right side
    7,156,615.78x = 238,643,161,203,825.22
  5. Step 5: Solve for x
    x = 238,643,161,203,825.22/7,156,615.78
  6. Step 6: Final answer
    x = 33,345,811.55

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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.