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Finding the Third Proportional to 8,732,543,358 and 18,995,118,672

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Solution

The third proportional to 8,732,543,358 and 18,995,118,672 is: 41,318,378,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732,543,358 : 18,995,118,672 = 18,995,118,672 : x
  2. Step 2: Convert to fraction form
    8,732,543,358/18,995,118,672 = 18,995,118,672/x
  3. Step 3: Cross multiply
    8,732,543,358x = 18,995,118,672 × 18,995,118,672
  4. Step 4: Simplify right side
    8,732,543,358x = 360,814,533,363,363,020,800
  5. Step 5: Solve for x
    x = 360,814,533,363,363,020,800/8,732,543,358
  6. Step 6: Final answer
    x = 41,318,378,686.64

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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.