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Finding the Third Proportional to 28,315,072 and 43,724,352

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Solution

The third proportional to 28,315,072 and 43,724,352 is: 67,519,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,072 : 43,724,352 = 43,724,352 : x
  2. Step 2: Convert to fraction form
    28,315,072/43,724,352 = 43,724,352/x
  3. Step 3: Cross multiply
    28,315,072x = 43,724,352 × 43,724,352
  4. Step 4: Simplify right side
    28,315,072x = 1,911,818,957,819,904
  5. Step 5: Solve for x
    x = 1,911,818,957,819,904/28,315,072
  6. Step 6: Final answer
    x = 67,519,480.71

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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.