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Finding the Third Proportional to 43,220 and 89,440

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Solution

The third proportional to 43,220 and 89,440 is: 185,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220 : 89,440 = 89,440 : x
  2. Step 2: Convert to fraction form
    43,220/89,440 = 89,440/x
  3. Step 3: Cross multiply
    43,220x = 89,440 × 89,440
  4. Step 4: Simplify right side
    43,220x = 7,999,513,600
  5. Step 5: Solve for x
    x = 7,999,513,600/43,220
  6. Step 6: Final answer
    x = 185,088.24

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.