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Finding the Third Proportional to 60,480 and 79,056

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Solution

The third proportional to 60,480 and 79,056 is: 103,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480 : 79,056 = 79,056 : x
  2. Step 2: Convert to fraction form
    60,480/79,056 = 79,056/x
  3. Step 3: Cross multiply
    60,480x = 79,056 × 79,056
  4. Step 4: Simplify right side
    60,480x = 6,249,851,136
  5. Step 5: Solve for x
    x = 6,249,851,136/60,480
  6. Step 6: Final answer
    x = 103,337.49

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.