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Finding the Third Proportional to 4,814,220 and 10,386,810

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Solution

The third proportional to 4,814,220 and 10,386,810 is: 22,409,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814,220 : 10,386,810 = 10,386,810 : x
  2. Step 2: Convert to fraction form
    4,814,220/10,386,810 = 10,386,810/x
  3. Step 3: Cross multiply
    4,814,220x = 10,386,810 × 10,386,810
  4. Step 4: Simplify right side
    4,814,220x = 107,885,821,976,100
  5. Step 5: Solve for x
    x = 107,885,821,976,100/4,814,220
  6. Step 6: Final answer
    x = 22,409,823.81

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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.