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Finding the Third Proportional to 549,648 and 874,344

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Solution

The third proportional to 549,648 and 874,344 is: 1,390,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,648 : 874,344 = 874,344 : x
  2. Step 2: Convert to fraction form
    549,648/874,344 = 874,344/x
  3. Step 3: Cross multiply
    549,648x = 874,344 × 874,344
  4. Step 4: Simplify right side
    549,648x = 764,477,430,336
  5. Step 5: Solve for x
    x = 764,477,430,336/549,648
  6. Step 6: Final answer
    x = 1,390,849.11

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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.