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Finding the Third Proportional to 7,422,322.50 and 11,492,640

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Solution

The third proportional to 7,422,322.50 and 11,492,640 is: 17,795,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,322.50 : 11,492,640 = 11,492,640 : x
  2. Step 2: Convert to fraction form
    7,422,322.50/11,492,640 = 11,492,640/x
  3. Step 3: Cross multiply
    7,422,322.50x = 11,492,640 × 11,492,640
  4. Step 4: Simplify right side
    7,422,322.50x = 132,080,774,169,600
  5. Step 5: Solve for x
    x = 132,080,774,169,600/7,422,322.50
  6. Step 6: Final answer
    x = 17,795,073.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.