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Finding the Third Proportional to 63,572 and 121,360

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Solution

The third proportional to 63,572 and 121,360 is: 231,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,572 : 121,360 = 121,360 : x
  2. Step 2: Convert to fraction form
    63,572/121,360 = 121,360/x
  3. Step 3: Cross multiply
    63,572x = 121,360 × 121,360
  4. Step 4: Simplify right side
    63,572x = 14,728,249,600
  5. Step 5: Solve for x
    x = 14,728,249,600/63,572
  6. Step 6: Final answer
    x = 231,678.25

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.