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Finding the Third Proportional to 20,660,720 and 45,041,534

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Solution

The third proportional to 20,660,720 and 45,041,534 is: 98,193,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660,720 : 45,041,534 = 45,041,534 : x
  2. Step 2: Convert to fraction form
    20,660,720/45,041,534 = 45,041,534/x
  3. Step 3: Cross multiply
    20,660,720x = 45,041,534 × 45,041,534
  4. Step 4: Simplify right side
    20,660,720x = 2,028,739,785,073,156
  5. Step 5: Solve for x
    x = 2,028,739,785,073,156/20,660,720
  6. Step 6: Final answer
    x = 98,193,082.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.