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Finding the Third Proportional to 18,696,823 and 28,720,608

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Solution

The third proportional to 18,696,823 and 28,720,608 is: 44,118,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,823 : 28,720,608 = 28,720,608 : x
  2. Step 2: Convert to fraction form
    18,696,823/28,720,608 = 28,720,608/x
  3. Step 3: Cross multiply
    18,696,823x = 28,720,608 × 28,720,608
  4. Step 4: Simplify right side
    18,696,823x = 824,873,323,889,664
  5. Step 5: Solve for x
    x = 824,873,323,889,664/18,696,823
  6. Step 6: Final answer
    x = 44,118,368.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.