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Finding the Third Proportional to 145,570 and 308,636

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Solution

The third proportional to 145,570 and 308,636 is: 654,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,570 : 308,636 = 308,636 : x
  2. Step 2: Convert to fraction form
    145,570/308,636 = 308,636/x
  3. Step 3: Cross multiply
    145,570x = 308,636 × 308,636
  4. Step 4: Simplify right side
    145,570x = 95,256,180,496
  5. Step 5: Solve for x
    x = 95,256,180,496/145,570
  6. Step 6: Final answer
    x = 654,366.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.