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Finding the Third Proportional to 18,730,656 and 40,864,590

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Solution

The third proportional to 18,730,656 and 40,864,590 is: 89,154,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730,656 : 40,864,590 = 40,864,590 : x
  2. Step 2: Convert to fraction form
    18,730,656/40,864,590 = 40,864,590/x
  3. Step 3: Cross multiply
    18,730,656x = 40,864,590 × 40,864,590
  4. Step 4: Simplify right side
    18,730,656x = 1,669,914,715,868,100
  5. Step 5: Solve for x
    x = 1,669,914,715,868,100/18,730,656
  6. Step 6: Final answer
    x = 89,154,096.68

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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.