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Finding the Third Proportional to 4,876,730 and 10,718,780

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Solution

The third proportional to 4,876,730 and 10,718,780 is: 23,559,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876,730 : 10,718,780 = 10,718,780 : x
  2. Step 2: Convert to fraction form
    4,876,730/10,718,780 = 10,718,780/x
  3. Step 3: Cross multiply
    4,876,730x = 10,718,780 × 10,718,780
  4. Step 4: Simplify right side
    4,876,730x = 114,892,244,688,400
  5. Step 5: Solve for x
    x = 114,892,244,688,400/4,876,730
  6. Step 6: Final answer
    x = 23,559,279.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.