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Finding the Third Proportional to 28,555,839 and 42,897,060

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Solution

The third proportional to 28,555,839 and 42,897,060 is: 64,440,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555,839 : 42,897,060 = 42,897,060 : x
  2. Step 2: Convert to fraction form
    28,555,839/42,897,060 = 42,897,060/x
  3. Step 3: Cross multiply
    28,555,839x = 42,897,060 × 42,897,060
  4. Step 4: Simplify right side
    28,555,839x = 1,840,157,756,643,600
  5. Step 5: Solve for x
    x = 1,840,157,756,643,600/28,555,839
  6. Step 6: Final answer
    x = 64,440,682.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.