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Finding the Third Proportional to 28,390,928 and 61,764,114

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Solution

The third proportional to 28,390,928 and 61,764,114 is: 134,367,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,390,928 : 61,764,114 = 61,764,114 : x
  2. Step 2: Convert to fraction form
    28,390,928/61,764,114 = 61,764,114/x
  3. Step 3: Cross multiply
    28,390,928x = 61,764,114 × 61,764,114
  4. Step 4: Simplify right side
    28,390,928x = 3,814,805,778,204,996
  5. Step 5: Solve for x
    x = 3,814,805,778,204,996/28,390,928
  6. Step 6: Final answer
    x = 134,367,068.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.