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Finding the Third Proportional to 2,605,848.47 and 3,929,279.63

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Solution

The third proportional to 2,605,848.47 and 3,929,279.63 is: 5,924,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,848.47 : 3,929,279.63 = 3,929,279.63 : x
  2. Step 2: Convert to fraction form
    2,605,848.47/3,929,279.63 = 3,929,279.63/x
  3. Step 3: Cross multiply
    2,605,848.47x = 3,929,279.63 × 3,929,279.63
  4. Step 4: Simplify right side
    2,605,848.47x = 15,439,238,371,440.14
  5. Step 5: Solve for x
    x = 15,439,238,371,440.14/2,605,848.47
  6. Step 6: Final answer
    x = 5,924,841.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.