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Finding the Third Proportional to 4,718,364 and 10,207,920

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Solution

The third proportional to 4,718,364 and 10,207,920 is: 22,084,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718,364 : 10,207,920 = 10,207,920 : x
  2. Step 2: Convert to fraction form
    4,718,364/10,207,920 = 10,207,920/x
  3. Step 3: Cross multiply
    4,718,364x = 10,207,920 × 10,207,920
  4. Step 4: Simplify right side
    4,718,364x = 104,201,630,726,400
  5. Step 5: Solve for x
    x = 104,201,630,726,400/4,718,364
  6. Step 6: Final answer
    x = 22,084,271.31

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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.