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Finding the Third Proportional to 20,696,688 and 43,538,310

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Solution

The third proportional to 20,696,688 and 43,538,310 is: 91,588,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,688 : 43,538,310 = 43,538,310 : x
  2. Step 2: Convert to fraction form
    20,696,688/43,538,310 = 43,538,310/x
  3. Step 3: Cross multiply
    20,696,688x = 43,538,310 × 43,538,310
  4. Step 4: Simplify right side
    20,696,688x = 1,895,584,437,656,100
  5. Step 5: Solve for x
    x = 1,895,584,437,656,100/20,696,688
  6. Step 6: Final answer
    x = 91,588,781.63

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.