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Finding the Third Proportional to 160,964 and 256,222

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Solution

The third proportional to 160,964 and 256,222 is: 407,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,964 : 256,222 = 256,222 : x
  2. Step 2: Convert to fraction form
    160,964/256,222 = 256,222/x
  3. Step 3: Cross multiply
    160,964x = 256,222 × 256,222
  4. Step 4: Simplify right side
    160,964x = 65,649,713,284
  5. Step 5: Solve for x
    x = 65,649,713,284/160,964
  6. Step 6: Final answer
    x = 407,853.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.