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Finding the Third Proportional to 4,616,658 and 7,921,407

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Solution

The third proportional to 4,616,658 and 7,921,407 is: 13,591,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,616,658 : 7,921,407 = 7,921,407 : x
  2. Step 2: Convert to fraction form
    4,616,658/7,921,407 = 7,921,407/x
  3. Step 3: Cross multiply
    4,616,658x = 7,921,407 × 7,921,407
  4. Step 4: Simplify right side
    4,616,658x = 62,748,688,859,649
  5. Step 5: Solve for x
    x = 62,748,688,859,649/4,616,658
  6. Step 6: Final answer
    x = 13,591,799.28

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.