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Finding the Third Proportional to 4,739,480 and 6,772,716

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Solution

The third proportional to 4,739,480 and 6,772,716 is: 9,678,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739,480 : 6,772,716 = 6,772,716 : x
  2. Step 2: Convert to fraction form
    4,739,480/6,772,716 = 6,772,716/x
  3. Step 3: Cross multiply
    4,739,480x = 6,772,716 × 6,772,716
  4. Step 4: Simplify right side
    4,739,480x = 45,869,682,016,656
  5. Step 5: Solve for x
    x = 45,869,682,016,656/4,739,480
  6. Step 6: Final answer
    x = 9,678,209.85

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.