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Finding the Third Proportional to 77,310 and 119,457

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Solution

The third proportional to 77,310 and 119,457 is: 184,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,310 : 119,457 = 119,457 : x
  2. Step 2: Convert to fraction form
    77,310/119,457 = 119,457/x
  3. Step 3: Cross multiply
    77,310x = 119,457 × 119,457
  4. Step 4: Simplify right side
    77,310x = 14,269,974,849
  5. Step 5: Solve for x
    x = 14,269,974,849/77,310
  6. Step 6: Final answer
    x = 184,581.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.