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Finding the Third Proportional to 62,390,928 and 134,646,729

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Solution

The third proportional to 62,390,928 and 134,646,729 is: 290,582,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,390,928 : 134,646,729 = 134,646,729 : x
  2. Step 2: Convert to fraction form
    62,390,928/134,646,729 = 134,646,729/x
  3. Step 3: Cross multiply
    62,390,928x = 134,646,729 × 134,646,729
  4. Step 4: Simplify right side
    62,390,928x = 18,129,741,630,399,440
  5. Step 5: Solve for x
    x = 18,129,741,630,399,440/62,390,928
  6. Step 6: Final answer
    x = 290,582,977.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.