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Finding the Third Proportional to 4,342,316 and 6,387,155

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Solution

The third proportional to 4,342,316 and 6,387,155 is: 9,394,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342,316 : 6,387,155 = 6,387,155 : x
  2. Step 2: Convert to fraction form
    4,342,316/6,387,155 = 6,387,155/x
  3. Step 3: Cross multiply
    4,342,316x = 6,387,155 × 6,387,155
  4. Step 4: Simplify right side
    4,342,316x = 40,795,748,994,025
  5. Step 5: Solve for x
    x = 40,795,748,994,025/4,342,316
  6. Step 6: Final answer
    x = 9,394,928.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.