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Finding the Third Proportional to 549,720 and 1,188,276

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Solution

The third proportional to 549,720 and 1,188,276 is: 2,568,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,720 : 1,188,276 = 1,188,276 : x
  2. Step 2: Convert to fraction form
    549,720/1,188,276 = 1,188,276/x
  3. Step 3: Cross multiply
    549,720x = 1,188,276 × 1,188,276
  4. Step 4: Simplify right side
    549,720x = 1,411,999,852,176
  5. Step 5: Solve for x
    x = 1,411,999,852,176/549,720
  6. Step 6: Final answer
    x = 2,568,580.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.