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Finding the Third Proportional to 8,555,478 and 13,048,707

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Solution

The third proportional to 8,555,478 and 13,048,707 is: 19,901,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555,478 : 13,048,707 = 13,048,707 : x
  2. Step 2: Convert to fraction form
    8,555,478/13,048,707 = 13,048,707/x
  3. Step 3: Cross multiply
    8,555,478x = 13,048,707 × 13,048,707
  4. Step 4: Simplify right side
    8,555,478x = 170,268,754,371,849
  5. Step 5: Solve for x
    x = 170,268,754,371,849/8,555,478
  6. Step 6: Final answer
    x = 19,901,723.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.