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Finding the Third Proportional to 7,291,910 and 15,714,280

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Solution

The third proportional to 7,291,910 and 15,714,280 is: 33,864,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291,910 : 15,714,280 = 15,714,280 : x
  2. Step 2: Convert to fraction form
    7,291,910/15,714,280 = 15,714,280/x
  3. Step 3: Cross multiply
    7,291,910x = 15,714,280 × 15,714,280
  4. Step 4: Simplify right side
    7,291,910x = 246,938,595,918,400
  5. Step 5: Solve for x
    x = 246,938,595,918,400/7,291,910
  6. Step 6: Final answer
    x = 33,864,734.47

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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.