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Finding the Third Proportional to 9,312,738 and 13,911,759

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Solution

The third proportional to 9,312,738 and 13,911,759 is: 20,781,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312,738 : 13,911,759 = 13,911,759 : x
  2. Step 2: Convert to fraction form
    9,312,738/13,911,759 = 13,911,759/x
  3. Step 3: Cross multiply
    9,312,738x = 13,911,759 × 13,911,759
  4. Step 4: Simplify right side
    9,312,738x = 193,537,038,474,081
  5. Step 5: Solve for x
    x = 193,537,038,474,081/9,312,738
  6. Step 6: Final answer
    x = 20,781,969.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.