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Finding the Third Proportional to 4,319,766 and 9,280,590

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Solution

The third proportional to 4,319,766 and 9,280,590 is: 19,938,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319,766 : 9,280,590 = 9,280,590 : x
  2. Step 2: Convert to fraction form
    4,319,766/9,280,590 = 9,280,590/x
  3. Step 3: Cross multiply
    4,319,766x = 9,280,590 × 9,280,590
  4. Step 4: Simplify right side
    4,319,766x = 86,129,350,748,100
  5. Step 5: Solve for x
    x = 86,129,350,748,100/4,319,766
  6. Step 6: Final answer
    x = 19,938,429.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.