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Finding the Third Proportional to 607,412 and 1,329,220

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Solution

The third proportional to 607,412 and 1,329,220 is: 2,908,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,412 : 1,329,220 = 1,329,220 : x
  2. Step 2: Convert to fraction form
    607,412/1,329,220 = 1,329,220/x
  3. Step 3: Cross multiply
    607,412x = 1,329,220 × 1,329,220
  4. Step 4: Simplify right side
    607,412x = 1,766,825,808,400
  5. Step 5: Solve for x
    x = 1,766,825,808,400/607,412
  6. Step 6: Final answer
    x = 2,908,776.59

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.