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Finding the Third Proportional to 18,588,020 and 40,264,082

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Solution

The third proportional to 18,588,020 and 40,264,082 is: 87,217,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,020 : 40,264,082 = 40,264,082 : x
  2. Step 2: Convert to fraction form
    18,588,020/40,264,082 = 40,264,082/x
  3. Step 3: Cross multiply
    18,588,020x = 40,264,082 × 40,264,082
  4. Step 4: Simplify right side
    18,588,020x = 1,621,196,299,302,724
  5. Step 5: Solve for x
    x = 1,621,196,299,302,724/18,588,020
  6. Step 6: Final answer
    x = 87,217,266.78

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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.