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Finding the Third Proportional to 138,762 and 300,854

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Solution

The third proportional to 138,762 and 300,854 is: 652,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,762 : 300,854 = 300,854 : x
  2. Step 2: Convert to fraction form
    138,762/300,854 = 300,854/x
  3. Step 3: Cross multiply
    138,762x = 300,854 × 300,854
  4. Step 4: Simplify right side
    138,762x = 90,513,129,316
  5. Step 5: Solve for x
    x = 90,513,129,316/138,762
  6. Step 6: Final answer
    x = 652,290.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.