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Finding the Third Proportional to 3,153,721 and 6,904,492

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Solution

The third proportional to 3,153,721 and 6,904,492 is: 15,116,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,721 : 6,904,492 = 6,904,492 : x
  2. Step 2: Convert to fraction form
    3,153,721/6,904,492 = 6,904,492/x
  3. Step 3: Cross multiply
    3,153,721x = 6,904,492 × 6,904,492
  4. Step 4: Simplify right side
    3,153,721x = 47,672,009,778,064
  5. Step 5: Solve for x
    x = 47,672,009,778,064/3,153,721
  6. Step 6: Final answer
    x = 15,116,115.15

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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.