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Finding the Third Proportional to 4,276,479.94 and 9,305,834.06

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Solution

The third proportional to 4,276,479.94 and 9,305,834.06 is: 20,249,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276,479.94 : 9,305,834.06 = 9,305,834.06 : x
  2. Step 2: Convert to fraction form
    4,276,479.94/9,305,834.06 = 9,305,834.06/x
  3. Step 3: Cross multiply
    4,276,479.94x = 9,305,834.06 × 9,305,834.06
  4. Step 4: Simplify right side
    4,276,479.94x = 86,598,547,598,785.25
  5. Step 5: Solve for x
    x = 86,598,547,598,785.25/4,276,479.94
  6. Step 6: Final answer
    x = 20,249,959.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.