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Finding the Third Proportional to 18,463,424.63 and 42,739,486.88

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Solution

The third proportional to 18,463,424.63 and 42,739,486.88 is: 98,934,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463,424.63 : 42,739,486.88 = 42,739,486.88 : x
  2. Step 2: Convert to fraction form
    18,463,424.63/42,739,486.88 = 42,739,486.88/x
  3. Step 3: Cross multiply
    18,463,424.63x = 42,739,486.88 × 42,739,486.88
  4. Step 4: Simplify right side
    18,463,424.63x = 1,826,663,738,338,297.25
  5. Step 5: Solve for x
    x = 1,826,663,738,338,297.25/18,463,424.63
  6. Step 6: Final answer
    x = 98,934,178.00

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.