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Finding the Third Proportional to 15,632,721 and 34,445,871

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Solution

The third proportional to 15,632,721 and 34,445,871 is: 75,899,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632,721 : 34,445,871 = 34,445,871 : x
  2. Step 2: Convert to fraction form
    15,632,721/34,445,871 = 34,445,871/x
  3. Step 3: Cross multiply
    15,632,721x = 34,445,871 × 34,445,871
  4. Step 4: Simplify right side
    15,632,721x = 1,186,518,028,948,641
  5. Step 5: Solve for x
    x = 1,186,518,028,948,641/15,632,721
  6. Step 6: Final answer
    x = 75,899,648.50

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.