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Finding the Third Proportional to 1,939,331 and 4,220,482

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Solution

The third proportional to 1,939,331 and 4,220,482 is: 9,184,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,331 : 4,220,482 = 4,220,482 : x
  2. Step 2: Convert to fraction form
    1,939,331/4,220,482 = 4,220,482/x
  3. Step 3: Cross multiply
    1,939,331x = 4,220,482 × 4,220,482
  4. Step 4: Simplify right side
    1,939,331x = 17,812,468,312,324
  5. Step 5: Solve for x
    x = 17,812,468,312,324/1,939,331
  6. Step 6: Final answer
    x = 9,184,852.05

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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.