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Finding the Third Proportional to 16,721,913 and 25,582,645.50

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Solution

The third proportional to 16,721,913 and 25,582,645.50 is: 39,138,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,913 : 25,582,645.50 = 25,582,645.50 : x
  2. Step 2: Convert to fraction form
    16,721,913/25,582,645.50 = 25,582,645.50/x
  3. Step 3: Cross multiply
    16,721,913x = 25,582,645.50 × 25,582,645.50
  4. Step 4: Simplify right side
    16,721,913x = 654,471,750,778,670.25
  5. Step 5: Solve for x
    x = 654,471,750,778,670.25/16,721,913
  6. Step 6: Final answer
    x = 39,138,569.30

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.