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Finding the Third Proportional to 18,587,724 and 40,263,492

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Solution

The third proportional to 18,587,724 and 40,263,492 is: 87,216,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,724 : 40,263,492 = 40,263,492 : x
  2. Step 2: Convert to fraction form
    18,587,724/40,263,492 = 40,263,492/x
  3. Step 3: Cross multiply
    18,587,724x = 40,263,492 × 40,263,492
  4. Step 4: Simplify right side
    18,587,724x = 1,621,148,788,034,064
  5. Step 5: Solve for x
    x = 1,621,148,788,034,064/18,587,724
  6. Step 6: Final answer
    x = 87,216,099.62

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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.