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Finding the Third Proportional to 3,140,220 and 4,980,486

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Solution

The third proportional to 3,140,220 and 4,980,486 is: 7,899,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,220 : 4,980,486 = 4,980,486 : x
  2. Step 2: Convert to fraction form
    3,140,220/4,980,486 = 4,980,486/x
  3. Step 3: Cross multiply
    3,140,220x = 4,980,486 × 4,980,486
  4. Step 4: Simplify right side
    3,140,220x = 24,805,240,796,196
  5. Step 5: Solve for x
    x = 24,805,240,796,196/3,140,220
  6. Step 6: Final answer
    x = 7,899,204.77

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.