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Finding the Third Proportional to 28,518,390 and 59,386,860

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Solution

The third proportional to 28,518,390 and 59,386,860 is: 123,667,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518,390 : 59,386,860 = 59,386,860 : x
  2. Step 2: Convert to fraction form
    28,518,390/59,386,860 = 59,386,860/x
  3. Step 3: Cross multiply
    28,518,390x = 59,386,860 × 59,386,860
  4. Step 4: Simplify right side
    28,518,390x = 3,526,799,140,659,600
  5. Step 5: Solve for x
    x = 3,526,799,140,659,600/28,518,390
  6. Step 6: Final answer
    x = 123,667,540.16

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.