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Finding the Third Proportional to 45,624 and 70,360

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Solution

The third proportional to 45,624 and 70,360 is: 108,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,624 : 70,360 = 70,360 : x
  2. Step 2: Convert to fraction form
    45,624/70,360 = 70,360/x
  3. Step 3: Cross multiply
    45,624x = 70,360 × 70,360
  4. Step 4: Simplify right side
    45,624x = 4,950,529,600
  5. Step 5: Solve for x
    x = 4,950,529,600/45,624
  6. Step 6: Final answer
    x = 108,507.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.