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Finding the Third Proportional to 18,326,250 and 39,484,908

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Solution

The third proportional to 18,326,250 and 39,484,908 is: 85,072,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,250 : 39,484,908 = 39,484,908 : x
  2. Step 2: Convert to fraction form
    18,326,250/39,484,908 = 39,484,908/x
  3. Step 3: Cross multiply
    18,326,250x = 39,484,908 × 39,484,908
  4. Step 4: Simplify right side
    18,326,250x = 1,559,057,959,768,464
  5. Step 5: Solve for x
    x = 1,559,057,959,768,464/18,326,250
  6. Step 6: Final answer
    x = 85,072,393.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.