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Finding the Third Proportional to 21,881,238 and 47,615,480

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Solution

The third proportional to 21,881,238 and 47,615,480 is: 103,615,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,238 : 47,615,480 = 47,615,480 : x
  2. Step 2: Convert to fraction form
    21,881,238/47,615,480 = 47,615,480/x
  3. Step 3: Cross multiply
    21,881,238x = 47,615,480 × 47,615,480
  4. Step 4: Simplify right side
    21,881,238x = 2,267,233,935,630,400
  5. Step 5: Solve for x
    x = 2,267,233,935,630,400/21,881,238
  6. Step 6: Final answer
    x = 103,615,432.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.