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Finding the Third Proportional to 40,905 and 47,810.25

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Solution

The third proportional to 40,905 and 47,810.25 is: 55,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905 : 47,810.25 = 47,810.25 : x
  2. Step 2: Convert to fraction form
    40,905/47,810.25 = 47,810.25/x
  3. Step 3: Cross multiply
    40,905x = 47,810.25 × 47,810.25
  4. Step 4: Simplify right side
    40,905x = 2,285,820,005.06
  5. Step 5: Solve for x
    x = 2,285,820,005.06/40,905
  6. Step 6: Final answer
    x = 55,881.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.