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Finding the Third Proportional to 4,275,726 and 8,905,260

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Solution

The third proportional to 4,275,726 and 8,905,260 is: 18,547,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275,726 : 8,905,260 = 8,905,260 : x
  2. Step 2: Convert to fraction form
    4,275,726/8,905,260 = 8,905,260/x
  3. Step 3: Cross multiply
    4,275,726x = 8,905,260 × 8,905,260
  4. Step 4: Simplify right side
    4,275,726x = 79,303,655,667,600
  5. Step 5: Solve for x
    x = 79,303,655,667,600/4,275,726
  6. Step 6: Final answer
    x = 18,547,412.92

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.