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Finding the Third Proportional to 27,860,528 and 42,211,515

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Solution

The third proportional to 27,860,528 and 42,211,515 is: 63,954,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860,528 : 42,211,515 = 42,211,515 : x
  2. Step 2: Convert to fraction form
    27,860,528/42,211,515 = 42,211,515/x
  3. Step 3: Cross multiply
    27,860,528x = 42,211,515 × 42,211,515
  4. Step 4: Simplify right side
    27,860,528x = 1,781,811,998,595,225
  5. Step 5: Solve for x
    x = 1,781,811,998,595,225/27,860,528
  6. Step 6: Final answer
    x = 63,954,710.36

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.