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Finding the Third Proportional to 40,180,131 and 87,209,946

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Solution

The third proportional to 40,180,131 and 87,209,946 is: 189,286,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180,131 : 87,209,946 = 87,209,946 : x
  2. Step 2: Convert to fraction form
    40,180,131/87,209,946 = 87,209,946/x
  3. Step 3: Cross multiply
    40,180,131x = 87,209,946 × 87,209,946
  4. Step 4: Simplify right side
    40,180,131x = 7,605,574,681,322,916
  5. Step 5: Solve for x
    x = 7,605,574,681,322,916/40,180,131
  6. Step 6: Final answer
    x = 189,286,955.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.