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Finding the Third Proportional to 631,413 and 1,385,060

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Solution

The third proportional to 631,413 and 1,385,060 is: 3,038,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,413 : 1,385,060 = 1,385,060 : x
  2. Step 2: Convert to fraction form
    631,413/1,385,060 = 1,385,060/x
  3. Step 3: Cross multiply
    631,413x = 1,385,060 × 1,385,060
  4. Step 4: Simplify right side
    631,413x = 1,918,391,203,600
  5. Step 5: Solve for x
    x = 1,918,391,203,600/631,413
  6. Step 6: Final answer
    x = 3,038,251.04

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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.