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Finding the Third Proportional to 21,130,040 and 31,745,532

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Solution

The third proportional to 21,130,040 and 31,745,532 is: 47,694,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,130,040 : 31,745,532 = 31,745,532 : x
  2. Step 2: Convert to fraction form
    21,130,040/31,745,532 = 31,745,532/x
  3. Step 3: Cross multiply
    21,130,040x = 31,745,532 × 31,745,532
  4. Step 4: Simplify right side
    21,130,040x = 1,007,778,801,963,024
  5. Step 5: Solve for x
    x = 1,007,778,801,963,024/21,130,040
  6. Step 6: Final answer
    x = 47,694,126.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.